121277 1854 1D ARCHER EXPERIMENTAL PERFORATION PL.98 (SG16b)(IH) ON MOURNING ENVELOPE LONDON TO EDINBURGH.

1854 1D ARCHER EXPERIMENTAL PERFORATION PL.98 (SG16b)(IH) ON MOURNING ENVELOPE LONDON TO EDINBURGH. Mourning envelope, slight wrinkling but clear of stamp, from London to 'Mrs Keir, 32 Charlotte Sqre Edinburgh' with fine 1d Archer experimental perforation (SG16b) from plate 98 lettered IH tied fine strike London '43' Inland Office numeral clear of the Alphabet 1 check letters. On reverse London date stamp 28 FE 1854 and Edinburgh receiver MAR 1 1854. (Ref 121277).