South African Reserve Bank, watermarked paper as used on the 10 Shillings, £1, £5 and £100, issues of 1948-59, glued into blue card frames, ink annotations on paper, as produced, scarce (4 papers)
BNB B718-B725, B728-B729, Pick 90-97, 100-101 £200-£260

These papers come directly from the Portals Paper archive