Latvijas Bank, watermarked papers for 10 Latu, 1933-34, 10 and 20 Latu, 1935-40, and 500 Latu (2), 1929, all glued into individual blue card or cream paper frames, ink annotations on paper or card, as produced, very rare (5 papers)
BNB B115, B118, B119, B207, Pick 25a, 29, 30, 19 £300-£400

These items are directly from the Portals Paper Archive