PL.11 (AA AB AC)(21) ON COVER/MISSING IMPRIMATUR LETTERINGS. Fine wrapper London to Stockport with a strip of three die 2 1d pl.11 lettered AA AB AC, S.C.16 (SG21), AA damaged others very fine and tied neat strikes London '16' Inland numerl. Back stamped STOCKPORT JY 20 1855. A good piece as all stamps MISSING IMPRIMATUR LETTERINGS. (Ref 106570).