Auction: 6USA - The Sovereign Collection
Lot: 342
S.G. #O3, 1891 1/2p Black, perf. 10x11, with "O.P.S.O." overprint, a seldom seen mint example, fresh color, part o.g., fine; 1983 RPS certificate; not priced mint in Gibbons and Scott (Scott #O9). Estimate US$ 300-350
Estimate
$300 to $350
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