World Banknotes

Bulgarian National Bank, a set of watermarked papers for the 1929 issue, comprising 200, 250, 500 and 1000 Levs, all individually glued into blue card frames, ink annotations on paper, as produced, rare (4 papers)
BNB B156-B159, Pick 50-53 £240-£300

These items are directly from the Portals Paper archive