Auction: 25017 - Stamps and Covers of Great Britain
Lot: 5735
Great Britain
King George V
1929 Postal Union Congress
£1 black block of four from the upper right corner of the sheet, unmounted mint with typical creamy gum, though with darker horizontal bands affecting both horizontal pairs, nevertheless a rare and most attractive multiple. S.G. 438, £4,400+. Photo.
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Estimate
£800 to £1,000