1951 "HARWICH/SHIP LETTER". 1951 envelope Harwich to Marlborough, Wilts with 2½d and 4d Festival of Britain (SG513/514) cancelled HARWICH/ESSEX 19 MY 51, at left good strike of the boxed "HARWICH/SHIP LETTER" hand stamp in black. Presumably a philatelic creation? (Ref 101795).
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