Latvijas Bank, watermarked papers for 10 Latu, 1933-34, 20 Latu, 1935-40, 500 Latu, 1929 and 50 Latu, 1934, all glued into individual black thin card frames, ink annotations on frames, as produced, very rare (4 papers)
BNB B115, B119, B207, B208, Pick 25a, 30, 19, 20 £240-£300

These items are directly from the Portals Paper Archive