1874 MAIL USED IN EDINBURGH WITH 'EDINBURGH/131' DOTTED CIRCLE (RA10) CANCELLING STAMP AND ALSO ON REVERSE. 1874 envelope used locally to St. Andrews Sq, with 1d pl.145 (SG43) lettered AC, perforation fault and horizontal crease, tied very fine strike 'EDINBURGH/131' dotted circle (RA10) AU 31 74 Code 4N with another very fine strike on reverse. Unusual. (Ref 69318).