Watch List notes:

GREECE: 20 Drachmas (19XX) (type I) in copper-nickel with temple at center and inscription "ΕΛΛΗΝΙΚΗ ΔΗΜΟΚΡΑΤΙΑ". Head of Pericles facing left on reverse. Inside slab by NGC "MINT ERROR MS 65 - STRUCK 35% OFF CENTER". (Hellas 310 or 311 or 312).