Auction: 166 - The Philatelic Collectors' Series Sale
Lot: 231
Unitrade #7Pi, 1854 10d Blue, plate proof on India, overprinted "SPECIMEN" vertically in carmine, right sheet-margin block of four, ample to mostly enormous margins, including showing portions of the adjacent stamps on left and top, left pair thinned, the right pair extremely fine. Cat. value $1,200
Sold for
$200