Scott 1851 mint 8c - Henry Knox (1985), 1980-85 Great Americans Commemorative Stamps, representative stamp imaged.
Scott 1851 mint 8c - Henry Knox (1985), 1980-85 Great Americans Commemorative Stamps, representative stamp imaged.
Scott 1851 mint 8c - Henry Knox (1985), 1980-85 Great Americans Commemorative Stamps, representative stamp imaged.