CopperUSCopperUnited StatesSeptember 17, 1992Face value 29 cents Commemorative issue Minerals✓ Owned♡ Wishlist
WulfeniteUSWulfeniteUnited StatesSeptember 17, 1992Face value 29 cents Commemorative issue Minerals✓ Owned♡ Wishlist
VarisciteUSVarisciteUnited StatesSeptember 17, 1992Face value 29 cents Commemorative issue Minerals✓ Owned♡ Wishlist
AzuriteUSAzuriteUnited StatesSeptember 17, 1992Face value 29 cents Commemorative issue Minerals✓ Owned♡ Wishlist
MineralsUSMineralsUnited StatesSeptember 17, 1992Face value 29 cents Commemorative issue Minerals✓ Owned♡ Wishlist
Smoky quartzDESmoky quartzGermany·Color: multicolouredDecember 17, 1974Face value 15 Pfennig✓ Owned♡ Wishlist
AmethystUSAmethystUnited StatesJune 13, 1974Face value 10 cents Commemorative issue Mineral heritage✓ Owned♡ Wishlist
TourmalineUSTourmalineUnited StatesJune 13, 1974Face value 10 cents Commemorative issue Mineral heritage✓ Owned♡ Wishlist
Petrified woodUSPetrified woodUnited StatesJune 13, 1974Face value 10 cents Commemorative issue Mineral heritage✓ Owned♡ Wishlist
RhodochriositeUSRhodochriositeUnited StatesJune 13, 1974Face value 10 cents Commemorative issue Mineral heritage✓ Owned♡ Wishlist
smoky quartzDEsmoky quartzGermany·Color: ltyel & multiMay 21, 1974Face value 15 Pfennig✓ Owned♡ Wishlist
Smoky QuartzDESmoky QuartzGermany·Color: multicolouredMay 21, 1969Face value 20 Pfennig✓ Owned♡ Wishlist