1850-1854 1D ARCHER EXPERIMENTAL PERFORATION Pl.98 (SA)(SG16b) USED ON 1853 ENVELOPE SELKIRK (SCOTLAND) TO BLAIRGOWRIE. 1853 envelope Selkirk to Blairgowrie with good to fine 1d Archer (centred slightly high) pl.98 lettered SA tied "303" numeral of Selkirk, back stamped SELKIRK SE.8.1853 and BLAIRGOWRIE SE 9 1853. A RARE SCOTTISH USAGE- 16 SCOTTISH ARCHER COVERS KNOWN (one with a pair) - THIS ONLY RECORDED EXAMPLE FROM SELKIRK. (Ref 71118).
