BULGARIA: 10 Leva Srebro (ND 1906) in dark green on multicolor unpt. Coat of arms at upper center on face. Two letter prefix S/N: "BU 085888". Signatures by Chakalov & Venkov. Printed by (OSPR). Inside holder by PMG "Choice Uncirculated 63". (Pick 3e) & (Kraptchev 10e).