Scott 1139 mint sheet 4c (50) - Credo - Washington, 1960-61 Commemorative Stamps. representative stamp imaged.
Scott 1139 mint sheet 4c (50) - Credo - Washington, 1960-61 Commemorative Stamps. representative stamp imaged.
Scott 1139 mint sheet 4c (50) - Credo - Washington, 1960-61 Commemorative Stamps. representative stamp imaged.