National Commercial Bank of Scotland Ltd, One Pound (2), 1959, 1967; Five Pounds (2), 1961, 1963; Twenty Pounds, 1959, all with signatures of David Alexander (Douglas 1-1, 3a-1, 5-1, 6b-1, 7a-1) [5]. Last with small number on back, otherwise all good very fine to good extremely fine (£80-100)