Commonwealth of Australia, watermarked papers for an intended issue of £1 and £5 of 1936, featuring a portrait of King Edward VIII, who abdicated in the same year, slightly reduced size, glued into thick blue card frames, pencil annotations on paper, as produced, extremely rare, and the only trace of this fabled Edward VIII issue that is likely to ever be obtainable by collectors (2 papers)
BNB B129, the £5 not listed, Pick not listed £150-£200

These items are directly from the Portals Paper Archive