Watch List notes:

BULGARIA: 2 Leva (1964) in silver (0,900) commemorating the 20th anniversary of People Republic. Flag above denomination and two dates at bottom on obverse. Head of Dimitrov facing left on reverse. Inside slab by NGC "PF 68 / GEORGI DIMITROV / ANNIV. OF BIRTH". Cert number: 6389162-017. (KM 69) & (Nikolov 96).