Auction: 6USA - The Sovereign Collection
Lot: 299
S.G. #57, 1870 1/- Green, with curved "Postage" overprint in carmine, strong rich color, reasonably well centered, tiny repair at top right, fine appearance; a very rare stamp that is recorded only in used condition; 1951 RPS certificate (Scott #41 Estimate US$ 1,700-2,000
Estimate
$1,700 to $2,000