1 d Penny Black stamp lettered K-J, identified as coming from plate 5 using Guide Lines to the Penny Black by P C Litchfield.
Period of use: Earliest issue dated 16 June, 1840, with prints made between 8th June – 30th December, 1840 and again briefly between 22nd January and 5th February, 1841, when a provisional black printing was made. Plate then used for the printing of the 1d Penny Red.
Colour: Strong black.
Cancellation: Clear Maltese Cross cancellation in red ink.
Main identification clues:
- Traces of horizontal guideline in the letter squares and through the value “One Penny” (very common on this plate).
- Right sideline extends slightly below.