The identification of which plate a specific Penny Black stamp is printed is complicated. Please see the article on the Penny Black issue in the Colnect Wiki for the United Kingdom for an introductory guide to determining which plate a specific Penny Black derives. However it is highly recommended that collectors submit examples to professional expertisers that specialized in this issue for definite confirmation.
Intended as an official stamp, but never actually issued. Most of the printed stamps were destroyed on 25 January 1843, but 21 sheets (5040 邮票) survived destruction.
