BULGARIA: 2 Leva Srebro (ND 1916) in black on green and pink unpt with black text and ornament. Two digit S/N: "10 337405" with prefix. Signatures: Chakalov & Venkov. WMK: Cross & Curl. Printed by (RDK). Inside holder by PMG "Choice Uncirculated 64 / Minor Ink". Top pop in PMG. (Pick 15b) & (Kraptchev 22b).