1842 die I 1d imperf plate 23 (SG 8) EARLIEST RECORDED DATE OF USE. Large part wrapper from London to Darlington dated within 15th March 1842 with four margined example (very close margins and small corner bend) tied very fine black M.C. Backstamped London MR/15/1842 and Darlington MR/16/1842. Filing fold clear of stamp. Statham records this as earliest recorded usage. (Ref 53648).