Lot 109
109
unmounted mint 10c Mariner 10 Space Exploration, red color omitted (1557a), mint, never hinged, very fine, Datz reports 300-400 known, Scott retail $600.00 photo
unmounted mint 10c Mariner 10 Space Exploration, red color omitted (1557a), mint, never hinged, very fine, Datz reports 300-400 known, Scott retail $600.00 photo

Details
unmounted mint 10c Mariner 10 Space Exploration, red color omitted (1557a), mint, never hinged, very fine, Datz reports 300-400 known, Scott retail $600.00 photo