Lot 106
106
unmounted mint 10c Energy Conservation, blue and orange colors omitted (1547a), mint, never hinged, very fine, Datz reports approximately 100 known, Scott retail $900.00 photo
unmounted mint 10c Energy Conservation, blue and orange colors omitted (1547a), mint, never hinged, very fine, Datz reports approximately 100 known, Scott retail $900.00 photo

Details
unmounted mint 10c Energy Conservation, blue and orange colors omitted (1547a), mint, never hinged, very fine, Datz reports approximately 100 known, Scott retail $900.00 photo