GILPIN OCEAN PENNY POSTAGE ENVELOPE STATE 2 USED LONDON TO BIRMINGHAM. A good example of this excellent envelope from London to Birmingham with a fine four margined 1d (SG8) from the rare die 1 pl.107 lettered GI tied London "16" Inland numeral. Stamp shows constant variety DOT IN G. Slight soiling and part reverse flap missing and thus undated but pl.107 was registered 1st January 1851. RPS cert. 224050 states "is genuine. Part of flap missing". Ex Hobbs exhibition collection. (Ref 108220).