World Banknotes

Bulgarian National Bank, a set of watermarked papers for the 1929 issue, comprising 200, 250, 500, 1000 and 5000 Levs, each individually glued into blue card frames, ink annotations on paper, as produced, rare (5 papers)
BNB B156-B160, Pick 50-54 £300-£400

These items are directly from the Portals Paper archive