Covers tagged "postal rate increase" (clear filter)

1981 Non-Denominated B Rate Eagle - GAMM Cachet
1981 Non-Denominated B Rate Eagle - GAMM Cachet
C-Rate Eagle Stamps with Gamm Bald Eagle Cachet, 1981
C-Rate Eagle Stamps with Gamm Bald Eagle Cachet, 1981
Non-Denominated D Coil Pair - Bald Eagle, February 1, 1985
Non-Denominated D Coil Pair - Bald Eagle, February 1, 1985
Eagle in Flight - Non-Denominated "C" Stamp, Postal Rate Increase - October 11, 1981
Eagle in Flight - Non-Denominated "C" Stamp, Postal Rate In…