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#1
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Should I be worried about coin damage?
My uncle gave me a "A Silver Story" a couple of years ago.
It has a silver cert, 1 oz silver "nuggets", 1 morgan and 1 peace dollar. I haven't seen the rev of the coins since there is plastic over them. I have it on the mantle as it isn't expensive and it is nice to look at. My question is: Should I be concerned about PVC damage or anything to the coins? I live in the pacific northwest so we have humidity here and I think that is a negative as well. If I should be worried about PVC damage, is there a way to keep the items together and still have my nice thing to look at or should I count it as a loss? Thanks, Ron |
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"Ron" wrote in message ... My uncle gave me a "A Silver Story" a couple of years ago. It has a silver cert, 1 oz silver "nuggets", 1 morgan and 1 peace dollar. I haven't seen the rev of the coins since there is plastic over them. I have it on the mantle as it isn't expensive and it is nice to look at. My question is: Should I be concerned about PVC damage or anything to the coins? I live in the pacific northwest so we have humidity here and I think that is a negative as well. The humidity in your area can be a problem. Purchase an appropriate holder, such as one of these http://cgi.ebay.com/ws/eBayISAPI.dll...tem=3037195635 (Or for you Tiny URL lovers, http://tinyurl.com/8t5 ) My question is: Should I be concerned about PVC damage or anything to the coins? I live in the pacific northwest so we have humidity here and I think that is a negative as well. If I should be worried about PVC damage, is there a way to keep the items together and still have my nice thing to look at or should I count it as a loss? Thanks, Ron |
#3
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Thanks!
That's the most insightful post you have done yet. I guess that your stale sense of humor is running dry (either that, or you had to behave since your mommy was looking over your shoulder.....tell us, how is it to be a frustrated 50 year old male still living at home with mommy and having to do what she says? Or else you are sent to your bedroom, by yourself, with no desert and no computer access? Anyway, the link you sent is almost an idea...if I could put your picture in the middle of the bottom part of the seat Now, frustrated little boy, just run back to your web-browsing of inane things and go troll some other group. n Thu, 31 Jul 2003 07:21:47 GMT, "ftecaw" wrote: "Ron" wrote in message .. . My uncle gave me a "A Silver Story" a couple of years ago. It has a silver cert, 1 oz silver "nuggets", 1 morgan and 1 peace dollar. I haven't seen the rev of the coins since there is plastic over them. I have it on the mantle as it isn't expensive and it is nice to look at. My question is: Should I be concerned about PVC damage or anything to the coins? I live in the pacific northwest so we have humidity here and I think that is a negative as well. The humidity in your area can be a problem. Purchase an appropriate holder, such as one of these http://cgi.ebay.com/ws/eBayISAPI.dll...tem=3037195635 (Or for you Tiny URL lovers, http://tinyurl.com/8t5 ) My question is: Should I be concerned about PVC damage or anything to the coins? I live in the pacific northwest so we have humidity here and I think that is a negative as well. If I should be worried about PVC damage, is there a way to keep the items together and still have my nice thing to look at or should I count it as a loss? Thanks, Ron |
#4
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Ron wrote in message . ..
My uncle gave me a "A Silver Story" a couple of years ago. It has a silver cert, 1 oz silver "nuggets", 1 morgan and 1 peace dollar. I haven't seen the rev of the coins since there is plastic over them. I have it on the mantle as it isn't expensive and it is nice to look at. My question is: Should I be concerned about PVC damage or anything to the coins? I live in the pacific northwest so we have humidity here and I think that is a negative as well. If I should be worried about PVC damage, is there a way to keep the items together and still have my nice thing to look at or should I count it as a loss? Thanks, Ron No worry about PVC as it is likely no PVC based product was used to make the display case you described. I wouldn't worry about humidity unless you are near the ocean where salt spray can be a problem. Usually those types of cases are fairly well sealed. |
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Ron wrote
My uncle gave me a "A Silver Story" a couple of years ago. ... My question is: Should I be concerned about PVC damage ... It sounds like a nice little presentation with the nuggets and all. I do not know the particular set you are referring to, however. I think I do know the _kind_ of presentation and to answer your question: Probably not. The plastic around the coins is hard, right? Hard plastic is not usually a problem with silver coins. The soft plastic is. The plasticizer is PVC (poly vinyl chloride -- correcly written as one long word) which breaks down with time, with heat, etc. Moisture per se is not usually a problem with silver. (Your set does have paper dollars, also.) Silver tones mostly because it reacts primarily with sulfur in the air. You aaid that you live in the Pacific Northwest. How's your air? You can find a lot of information about this here on RCC, if you are willing to do some nasty reading of long threads about "COIN HOLDERS." |
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On Wed, 30 Jul 2003 23:24:56 -0700, Ron
wrote: My uncle gave me a "A Silver Story" a couple of years ago. It has a silver cert, 1 oz silver "nuggets", 1 morgan and 1 peace dollar. I haven't seen the rev of the coins since there is plastic over them. I have it on the mantle as it isn't expensive and it is nice to look at. The short answer is that if the plastic is rigid (hard), you typically don't need to be concerned with PVC damage. Here's the long answer, a post about coin holders in general I leave here periodically: What follows is a distillation of many people's opinions and observations, including my own. Additions and corrections are welcomed. This document is copyrighted -- please don't republish elsewhere. HMTL version available he http://rg.ancients.info/guide. How to select a coin holder -- periodic post - - - IN A NUTSHELL: With coin holders, it's largely, "To each, his own." But each type of holder has its advantages and disadvantages. And you should quickly remove any coin you buy that's in a soft vinyl flip to avoid causing damage to it. - - - We buy coins to look at them, and the coin holder through which we look can greatly affect our viewing pleasure. It's common knowledge that there's no such thing as the perfect coin holder, but that's never stopped coin collectors from searching. Much about coin holders is subjective. My preferences may be different from yours. The information below resulted from talking with coin collectors, coin supply dealers, coin holder wholesalers, and coin holder manufacturers as well as my own experiences in testing out or using each of these holder types. Your choices in coin holders include but aren't limited to the following, in order of estimated popularity: 2x2s These holders consist of white cardboard with a clear Mylar pocket to let you view the coin. You can attribute and describe coins on the cardboard with pen or pencil. These holders are called 2x2s because the holder's dimensions measure 2 inches by 2 inches, though most coin holders are this size as well. (In Europe larger and smaller sizes are used more commonly than they are in the U.S.) One problem with 2x2s is that paper dust from the cardboard can cause spotting over time. Some holders, however, advertise that they're dust free. The staples on the staple-type holders can potentially scratch a coin if you're not careful when removing it or rust and leach chemicals onto coins. You should also flatten the staples. The adhesive on self-sealing 2x2s can potentially damage coins over time, and the adhesive can wear out as well, causing the holder to pop open. 2x2s are somewhat chintzy looking, but they're inexpensive, relatively safe, and popular. They're often used by coin dealers because of their low cost and because it's easy to write on them. Safety flips With these all-plastic two-part holders, you flip up the part of the holder holding the coin to view the coin's reverse. You can choose flips with one pocket (for the coin) or two pockets (one for the coin and the other for a paper insert on which you can attribute and describe coin, optionally using a computer). Unlike many other holders, safety flips let you view edge of the coin. They're called "safety flips" because they're relatively safe for long-term coin storage. There are two kinds of safety flips, generic safety flips and Kointain Saflips. Generic safety flips are made from low-plasticizer PVC. They're often mistakenly called non-PVC flips, PVC-free flips, or unplasticized flips despite the fact that they do contain PVC, which is an abbreviation for the plastic with the name polyvinylchloride (or vinyl for short). Generic safety flips are much safer than ordinary PVC flips for long-term coin storage because of their low levels of plasticizers. It's primarily the plasticizers used to soften the PVC, not the PVC itself, that can damage a coin's surfaces over time. Generic safety flips aren't perfect. Their hard edges may scratch a coin when you insert or remove it if you're not careful. They may crack with repeated opening and closing, forcing you to replace the holder. They may turn pale color over time, also forcing you to replace them. Generic safety flips shouldn't be used with proof coins because they can outgas small quantities of hydrogen chloride gas (hydrochloric acid), which can cause microscopic pitting, leading to hazing. This outgassing probably occurs more if the holders are exposed to excessive heat, humidity, or sunlight. There are several different kinds of generic safety flips. The Super Safe brand (sometimes called Madison coin flips since they're made by Frame-A-Coin of Madison, N.J.) are available at many coin shows and through Brent-Krueger Coin Supplies at http://www.brent-krueger.com. They come in sheets -- you tear off the individual flips. Other generic safety flips are made by International Plastics of Altadena, Calif., and are available from Jake's Marketplace at http://www.jakesmp.net. They're thicker and sturdier than the Super Safe flips (and they consequently make nice mini-coin stands), but they crack more easily and are thus not as practical for large coins. Still other generic safety flips are made by various manufacturers in China, including those sold by Brooklyn Gallery Coins & Stamps at http://www.brooklyngallery.com. Generic safety flips are attractive, relatively inexpensive, and popular. The other main type of safety flip is the Kointain Saflip. These flips are made from Mylar, which is one brand name for the plastic with the name polyethylene terephthalate. Mylar is thought to be somewhat safer over the long term than low-plasticizer vinyl. It's also not as prone to cracking. One negative of Kointain Saflips are their horizontal striations, which are unsightly and can interfere with viewing of the coin inside. These flips also have sharp corners. Kointain Saflips are more expensive than generic safety flips but can be a good choice for proof coins. Flips Flips, also called soft vinyl flips or PVC flips, are commonly used by dealers to sell coins and by grading services when people submit coins to them because they make it easy and safe to insert and remove coins from them and because they're inexpensive. However, regular flips are unsafe for long-term coin storage. Flips consist of PVC (polyvinylchloride, also known as vinyl), stabilizers (to prolong life), and plasticizers (to soften the plastic). Plasticizers mixed with the PCV can damage coins over time, causing "PVC damage," which looks like green goo. Damage occurs faster when flips are exposed to excessive heat, humidity, or sunlight. Early PVC damage can be removed with acetone. More severe PVC damage can corrode a coin's surfaces, causing permanent damage. If you buy a coin in a soft vinyl flip, you should remove it and place it in another storage medium. One rule of thumb is that no coin should sit in a soft flip for more than six months. Air-Tites Air-Tite holders are the most attractive coin holders next to slabs, and depending on your views about slabs, you may find them more attractive. You can choose various color combinations to best highlight your coins, whether copper, nickel, silver, gold, or other metal. The Air-Tite system consists of a snap-together acrylic inner holder that fits snugly around the coin; a polyethylene white or black ring that fits around the inner holder; a black-, blue-, burgundy-, red-, or green-colored velour-covered cardboard display card into which fits the holder and ring; and a black polystyrene frame holder with a wood finish and stamped with gold- or silver-colored lettering. You can optionally use a host of other accessories, including storage boxes, display easels, albums, display boxes, wall frames, and presentation cases. The Air-Tite system is relatively safe for long-term storage. The size is nonstandard, with the 2-3/4 inch by 2-3/4 inch display cards being larger than the 2 inch by 2 inch size of most other holders. Air-Tites are considerably more expensive than most other holders, but they may be worth it. You can find out more at http://www.airtiteholders.com. Intercept Shield holders These relatively new holders are made with a material that's designed to intercept and neutralize sulfur and other contaminants and thus prevent toning. This can be beneficial or not. Many people regard nicely toned silver coins as the ultimate in eye appeal. On the other hand, coins that have toned unattractively just look tarnished or stained, and brown copper coins are generally less attractive and worth less than red ones. Intercept Shield holders measuring 2 inches by 2 inches are made for different sized coins as well as for coins that are already in slabs. You can also buy different sized Intercept Shield boxes and albums. You can optionally use the Intercept Shield boxes with other 2 inch by 2 inch coin holders. On the negative side, it can sometimes be difficult to place coins inside the flexible gasket of the Intercept Shield holders. The holders are also relatively expensive. Check out http://www.interceptshield.com/products.html for more information. CoinEdge holders Formerly called CoinSafe holders, these all-plastic holders let you view the often neglected third side a coin, the edge. Whether lettered, reeded, or flat, a coin's edge can tell you a lot about a coin, including whether it may be a cast or electrotype counterfeit or whether it was once used in jewelry. CoinEdge holders are made from Mylar (polyethylene terephthalate) and are safe for long-term storage. They're not the most impressive-looking coin holders but not the least impressive either. You can buy optional accessories, including albums and boxes. To find out more, go to http://www.coinedge.com. Whitman (or Gallery) holders These all-plastic holders consist of polystyrene, a relatively safe plastic for coin storage. Made by either Whitman or Gallery, these snap-together holders are an inexpensive way to store you coins. The downside is that coins can slide and bang around inside the holders, potentially causing damage over time. Whitman or Gallery holders are widely available at coin shows and coin stores and through coin supply dealers. Eagle holders Made of polystyrene encasing with Mylar (polyethylene terephthalate) windows, these holders are relatively safe for long-term storage. They're attractive, with the encasing available in white or black. They also come with optional accessories, including attractive display boxes and albums. On the negative side, it can be time consuming to insert coins into these holders. The smallest coins, such as silver three-cent pieces, don't always remain in position within the holder, even when you follow the directions for small coins. Large coins such as American Silver Eagles and Bust dollars can sometimes cause the holder to pop open. The company has recommended that you glue shut the holders to keep these very large coins from causing the holder to pop open, though this is stop-gap rather than permanent solution, as there's the possibility that the glue can damage the coin over time. Check out http://www.eaglecoinholders.com for more. Capital holders These plastic (Lucite) holders come in two varieties, one that you screw together, one that you snap together. They're similar to Whitman (or Gallery) holders but are both more impressive looking and more expensive. Inserting and removing coins, however, can be labor intensive. Coins can also slide or bang around inside, potentially causing damage. You can find out more at http://www.capitalplastics.com/coins. Kointain holders These holders consist of just a round shell that fits snugly around the coin. They're similar to the Air-Tite inner holders. They're made of non-PVC plastic and are relatively safe for long-term storage. The company advertises that some museums use these holders for coin storage. Kointain holders can be used alone or inside other holders or albums. Coin World holders This is a new type of coin holder from Amos Press, the publisher of Coin World, too new to fairly be ranked in terms of popularity. These are slab-like holders, the size of ANACS slabs but easy to open and close, which lets you to insert coins yourself. Coin World holders are made of clear acrylic, the black inserts of inert polyethylene. Both are safe for long-term coin storage. Like slabs, these make handsome holders. Twenty different size holders are available, which fit most U.S. coins. You can write descriptive information on the supplied coin labels, which like the holders are fairly conspicuously imprinted with the Coin World logo. Also available are Coin World coin cases that hold 25 Coin World or ANACS coin holders. The above aren't your only options for coin storage. Others include slabs, coin albums, coin folders, paper envelopes, poly bags, coin cabinets, coin cases, coin frames, coin tubes ... and pockets and purses. Recommended coin supply dealers: Brooklyn Gallery Coins & Stamps http://www.brooklyngallery.com Jake's Marketplace http://www.jakesmp.net Stanton Books & Supplies http://www.stantonbooks.com Roy Reynolds Coins http://www.royreynoldscoins.com Brent-Krueger Coin Supplies http://www.brent-krueger.com -- Coin Collecting: Consumer Guide: http://rg.ancients.info/guide Glomming: Coin Connoisseurship: http://rg.ancients.info/glom Bogos: Counterfeit Coins: http://rg.ancients.info/bogos |
#8
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Reid, Is it ok to store silver sets in a hard clear plastic container?
TIA |
#9
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Thanks.
Sounds like a few people have seen/know the set I am talking about. It is SOFT plastic with the cardboard backing. The morgan and the peace dollar are common, and i am not worried about the silver "nuggets", but, I do hate to violate the display I just need to figure out how to do it to preserve the display too.....I would hate to hurt my uncle's feelings on the piece and like I said, it does look nice.... argh! Thanks to those who answered with helpfulness. Ron On Thu, 31 Jul 2003 12:32:27 -0400, "J. A. McNerney" wrote: Ron wrote: My uncle gave me a "A Silver Story" a couple of years ago. It has a silver cert, 1 oz silver "nuggets", 1 morgan and 1 peace dollar. I haven't seen the rev of the coins since there is plastic over them. I have it on the mantle as it isn't expensive and it is nice to look at. My question is: Should I be concerned about PVC damage or anything to the coins? I live in the pacific northwest so we have humidity here and I think that is a negative as well. If I should be worried about PVC damage, is there a way to keep the items together and still have my nice thing to look at or should I count it as a loss? Thanks, Ron Yes! Get the coins out of that PVC plastic holder as soon as you can. Many nice silver dollars have been damaged by the plastic in those cheap folders. JAM |
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