BULGARIA: 10000 Leva (1993) in platinum with bust of S Desislava facing 1/2 right, founder of Boyana church, denomination at right. ECU monogram and date in circle of stars on reverse. Inside slab by NGC "PF 65 ULTRA CAMEO / S.DESISLAVA". Cert number: 5782451-006. (KM 208) & (Nikolov 275).