Great Britain King George V 1929 Postal Union Congress £1 black overprinted

(x) Great Britain King George V 1929 Postal Union Congress £1 black overprinted "specimen" (Type 32) in red, very lightly mounted mint with typical off-white gum, fine and rare. R.P.S. Certificate (2004). S.G .438s, Spec. NCom9s, £3,000 Subject to 5% tax on Hammer Price in addition to 20% VAT on Buyer’s Premium.

Stima:€711.63

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