BULGARIA: 50 Leva Zlatni (ND 1917) in brown on blue, green and salmon unpt. Coat of arms at upper left on face. S/N: "2141888" that starts with "No". WMK: BNB. Printed by G&D. Inside holder by PMG "About Uncirculated 55". (Pick 24a) & (Kraptchev 31a).