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Auction: 20030 - The Gary Diffen Collection of Australian Colonies Errors Part 1 - New South Wales, Queensland, South Australia - conducted behind closed doors
Lot: 406

(x) South Australia
Departmental and Official Stamps
"O.S." (Official Stamps)
1876-85 perf 11½-12½, 1/- red-brown with "O.S." double, fine used. The only example recorded. RPSV Certificate (2017). S.G. O27c, £550. Photo

Note: This error was first reported in the "Australasian Stamp Monthly" in April 1947, however, it was not catalogued by Stanley Gibbons until the discovery of this stamp in 2017. There is another example in the Royal Collection.

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Sold for
£400

Starting price
£400