Bank of Scotland, One Pound (9), 3 March 1967 (4), A/Z, B/A, B/B and B/C prefixes, 17 July 1968 (5), A/2, A/4 (3) and A/5 prefixes, all Polwarth-Letham signatures (Douglas 98b-2, 102a-1) [9]. Extremely fine to good extremely fine £60-80