Hong Kong & Shanghai Banking Corporation, two full sheets of watermarked paper for the $1 of 1923-35 (16) and the $10 of 1927-59 (8), each sheet folded once, edges somewhat bent and knocked, each sheet with small ink annotations in corners, as produced, extremely rare full sheets of papers for these iconic issues (24 papers on 2 sheets)
BNB B655, B657, B658, Pick 172, 174, 178, 179A £1,200-£1,600

These items are directly from the Portals Paper Archive