
1 d Penny Black stamp lettered G-G, identified as coming from plate 9 using Guide Lines to the Penny Black by P C Litchfield.
Period of use: Earliest issue dated 18 November, 1840. Plate used very briefly until January 1841 making this fairly scarce.
Colour: Strong black.
Cancellation: Clear Maltese Cross cancellation in black ink (plate 9 is found cancelled in both red and black ink – neither is more common).
Main identification clues:

Vertical guidelines in the right hand letter square and NE square (very common on this plate).

“O flaw”, stage 2.
GB SG2 QV 1840 Penny Black Plate 9, B-A, 4 Margins, Used Maltese Cross
🇺🇸 Price: US $201.56
Buy It NowQV 1841 1d Penny Red Imperforate (BH) Black Plate 9 SG7 Spec AS59 on cover
🇺🇸 Price: US $167.96
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