Auction: 166 - The Philatelic Collectors' Series Sale
Lot: 211
Unitrade #2TCxii, 1851 6d Lilac trial color plate proof on India, overprinted "SPECIMEN" vertically in carmine, left sheet-margin block of four, with clear to large margins on the other three sides, top right stamp with a trivial stained spot in the margin only, otherwise very fine;
Sold for
$260