Board of Commissioners of Currency Malaya and British Borneo, watermarked papers with security threads, as used on $1, $5 and $10 of 1953, glued into blue card frames, ink annotations on paper, as produced, very rare, this being one of only two examples of the $1 and the only $5 and $10 in the Portals archive (3 papers)
BNB B101-B103, Pick 1-3 £500-£700

These items are directly from the Portals Paper archive