1 1/2 Penny carmine-red, Queen Victoria, engraved Perkins, Bacon & Co., plate 1, watermark 3II Large Crown, corner-letter error OP-PC instead of CP-PC, duplex "702" SHERBORNE cancellation, perfectly perforated all round, very well centred, nearly ideally central cancellation, slight offset of duplex leaves upper left corner clear so letter error perfectly visible, perfect condition, unsigned, photo certificate Albert Louis BPP (2024) "genuine and in perfect state of preservation", Mi. 1.200.- (SGNo. 53).