BRITISH BANKNOTES, The British Linen Bank, One Pound (4), 29 February 1968 (2), U/4 000000, stamped specimen, X/4 274835, 5 November 1969, C/5 prefix, 20 July 1970, D/5 prefix (Douglas 66-1, 66-2; Pick 169a, 169b, 169s) [4]. About uncirculated to uncirculated £100-150