Lot 2350
BRITISH POST: 1877 (Aug 1), incoming entire letter from London to San Juan franked by Great Britain 2 d. blue pl.14 and 4 d. sage green pl.16 tied by London duplexes. Reverse with extremely rare usage of pre-philatelic 'YNGLATERRA' handstamp on arrival; the only known usage at this late date. Some acid ink affects the front panel but the entire opens well for Exhibit display
