Scott 1154 mint sheet 4c (50) - Pony Express, 1960 Commemorative Stamps. representative stamp imaged.
Scott 1154 mint sheet 4c (50) - Pony Express, 1960 Commemorative Stamps. representative stamp imaged.
Scott 1154 mint sheet 4c (50) - Pony Express, 1960 Commemorative Stamps. representative stamp imaged.