1933: Proof of the 20 lire surcharge in black on 3 lire carmine, the mint interpanneau block of ten with 'Bradbury Wilkinson & Co. Ld. Engravers, New Malden, Surrey, England' imprint in margin, the stamps all with hooded perforated SPECIMEN. Horizontal crease along the interpanneau margin, but with full side margins intact and with full unmounted original gum. A wonderfully fresh and unique positional piece and a great rarity Sassone = EUR 35'000+.
Corinphila Auctions Ltd.
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