Watch List notes:

BULGARIA: 2 Leva (1981) in copper-nickel commemorating the 1300th Anniversary of Nationhood. Tsarevets castle above denomination on obverse. King and saint on reverse. Inside slab by NGC "PF 68 ULTRA CAMEO / NATIONHOOD ANNIVERSARY TSAREVETS CASTLE". Top pop in NGC. Cert number: 6389132-032. (KM 124) & (Nikolov 169).