Watch List notes:

BULGARIA: 2 Leva (ND 1963) in silver (0,900) commemorating the 1100th anniversary of the Slavic Alphabet. Denomination above shield on obverse. St Cyril and St Methodius and dates at bottom on reverse. Inside slab by NGC "PF 67 / SLAVONIC ALPHABET ANNIV.". Cert number: 6389162-018. (KM 65) & (Nikolov 92).