Watch List notes:

BULGARIA: 2 Leva (1981) in copper-nickel commemorating the 1300th Anniversary of Nationhood. Arms within circle, denomination below flanked by symbols on obverse. Rila Monastery on reverse. Inside slab by NGC "PF 67 ULTRA CAMEO / NATIONHOOD ANNIVERSARY / RILA MONASTERY". Cert number: 6389132-007. (KM 128) & (Nikolov 173).