Try a garbage can, that would be the best place for them.
OLD INDIAN FIRST DAY COVERS (FDC)
Available the following items with approximate prices as follows. I
will accept exchanges also. Ask for scan images.
Cochin Princely State Stamps - 20 Nos - 3 US $
Travancore State Stamps - 20 Nos - 5 US $
Old Indian Stamps - 40 Nos - 3 US $
Indian First Day Covers - 20 Nos - 5 US $
Available for exchange / sale. More pieces are available
Ask for scan images