BULGARIA: 5 Leva (ND 1965) commemorative coin in silver (0,900) for the 1100th Anniversary (863-1963) of Slavic Alphabet. Obv: Denomination above shield. Rev: St Cyril and St Methodius. Mintage: 5000 pieces. (KM 65) & (Bulphila 93). Uncirculated Proof.