BULGARIA: 2 Leva (1981) in copper-nickel commemorating the 1300th Anniversary of Nationhood - Oboriste Assembly. National arms within circle at top, denomination below flanked by weapons, date at bottom left on obverse. Inscription on monument within wreath on reverse. Inside slab by NGC "PF 69 CAMEO / NATIONHOOD ANNIVERSARY / OBORISTE ASSEMBLY". Top pop in both companies. Cert number: 6389132-022. (KM 161) & (Nikolov 174).