Union Bank of Scotland, Proof 1, 1 October 1872, plate B, black and white, arms of the bank top centre flanked by maidens, value in black oval panel top left and right, bank title and value in black central panel, equestrian statue low left and right (Douglas 19), 'February 19th 1873' in pencil in low margin, black SPECIMEN handstamp low centre, extremely fine, rare