Great Britain 1840 One Penny Black Plate 5 BC, small to huge margins

Great Britain 1840 One Penny Black Plate 5 BC, small to huge margins and showing a portion of the adjoining stamp at top, tied by un upright strike of the number 11 in Maltese Cross to mourning envelope addressed to Durham, on reverse London (3.7) and Durham (4.7) datestamps; small backed up spike hole well clear of the adhesive. Fine and rare. Believed to be the only known cover bearing a Penny Black from any Plate with the Number 11 in Maltese Cross cancellation. A major new discovery. M. Jackson Certificate (2025). Specialised AS25wk literature: Rockoff & Jackson record just three examples of the Number 11 in Cross cancellation on 1d. blacks, all off cover Subject to 20% VAT on Buyer’s Premium. For more information please view Terms and Conditions for Buyers.

Estimate:$6,664

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