Watch List notes:

Scotland Union Bank, an uncut sheet of 4 printers proof £1 all dated 1st September 1953, Pick s816a, series G/17 401000, G/17 402000, G/18 426000 & G/18 427000, all with punch-holes & printers notes & bank stamps, mount marks reverse, GEF

Estimate: 75-150 GBP