GREECE: 1 Drachma (1973) (type II) in copper-nickel with head of King Constantine II facing left and inscription "ΚΩΝCΤΑΝΤΙΝΟC ΒΑCΙΛΕΥC ΤΩΝ ΕΛΛΗΝΩΝ". Variety: Due to double struck there are two heads of King Constantine with the impressive variety that the one head is large and the other is small. Inside slab by NGC "MINT ERROR MS 66 / DOUBLE STRUCK - 2nd STRIKE OFF CENTER". (Hellas 224).