BULGARIA: 20 Leva (1991) in blue-black and blue-green on multicolor unpt. Dutchess Sevastokratoritza Desislava at left center on face. S/N: "ΑD 0785761". WMK: Coat of arms. Printed by Wertpapierdruckerei-Germany. Inside holder by PMG "Superb Gem Unc 67 EPQ". (Pick 100a) & (Kraptchev 97a).