GROUP OF VARIOUS SCOTTISH TWENTIETH CENTURY BANKNOTES including NATIONAL BANK OF SCOTLAND £20 TWENTY POUNDS NOTE DATED 16TH SEPTEMBER 1959, serial no. A300649, with printed signature of the General Manager; CLYDESDALE & NORTH OF SCOTLAND BANK LIMITED £1 ONE POUND NOTE DATED 1ST NOVEMBER 1950, Serial no. C624067, with printed signature of the General Manager and CLYDESDALE BANK PLC £100 ONE HUNDRED POUNDS NOTE DATED 8TH APRIL 1985, serial no. D/L 008739, with printed signature of the General Manager