Commercial Bank of Scotland Limited, £20 (2), 1931, 1935, prefixes 12/X, blue, red and pale yellow, Lord Pitcairn low centre, classical frieze top centre, Thomson-Erskine and Thomson-Robb signatures(Banknote Yearbook SC423b, 423c), annotations, good fine, last and first prefixes for type (2).
Estimate: £300.00 - £400.00