Latvijas Bank, watermarked papers for 25 and 100 Latu, 1938-39, both glued into individual blue card frames, ink annotations on paper, as produced, extremely rare, this being the only example of each in the Portals archive (2 papers)
BNB B209, B210, Pick 21, 22 £200-£260

These items are directly from the Portals Paper Archive