BULGARIA: 1 Lev Srebro (ND 1916) in black on green and blue unpt. Black text on face. One letter S/N: "3- 294670". WMK: Cross & curl pattern. Printed by (RDK). Inside holder by PMG "Gem Uncirculated 65 EPQ / A. Kraptchev Collection". (Pick 14a) & (Kraptchev 21a). Andrei Kraptchev collection.