Watch List notes:

South Africa, Bank of Africa, twenty pounds, 18-, Port Elizabeth, front and back proofs on paper, mounted on card, stamped 'Specimen, Waterlow & Sons Ltd, Banknote Engravers', No.33 on left margin (Hern 18; Pick S566pr), tear on bottom left corner tip, some light toning and foxing, good extremely fine, rare (2) (£3500-4000)