Board of Commissioners of Currency Malaya, a single sheet of watermarked paper as used on the $50, $100, $1000 and $10000, issue of 1942, glued into blue card frame, ink annotations on paper, as produced, extremely rare, one of only two examples in the Portals archive
BNB B115-B118, Pick 14-17 for types £300-£400

These items are directly from the Portals Paper archive