Bank von Danzig, uncut sheets of watermarked paper for 10 Gulden (24 per sheet), 25 Gulden (24 per sheet) and 100 Gulden (18 per sheet), with tiny ink annotations, each sheet folded twice, otherwise entirely as produced, rare (3 sheets, 66 papers)
BNB B401-B408, Pick 53-64 for types £1,200-£1,600

These items are directly from the Portals Paper archive