TURKS ISLANDS, 1881, 2-1/2p on 1sh Violet, Types l-o (31-32; SG 36-37).
Vertical pair showing the two different surcharge types, part original gum, fresh color, Fine, both stamps are scarce as singles, but in a se-tenant pair they are rare and deserve a large premium, with 1974 B.P.A. certificate, catalogue values are as singles, SG £1,800
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