Commercial Bank of Scotland Limited, printers archival specimen £100, 2 January 1953, serial run 12B 0001 to 12B 3000, green, Lord Cockburn at upper centre, reverse bank building and people (PMS CO69s, Douglas 57-1, Pick S335s), perforated specimen, ink annotation 30/10/52 in top margin, in PMG holder 40 Extremely Fine, rare