Covers tagged "gemstones" (clear filter)

1992 Minerals Series - Azurite 29¢ with GAMM Cachet
1992 Minerals Series - Azurite 29¢ with GAMM Cachet
1992 Minerals Issue - Four 29¢ Stamps
1992 Minerals Issue - Four 29¢ Stamps
Minerals 1992 Variscite
Minerals 1992 Variscite
1992 Minerals Plate Block - GAMM Cachet
1992 Minerals Plate Block - GAMM Cachet