Watch List notes:

GREECE: 20 Lepta (1971) (type I) in aluminum. Royal crown and inscription "ΒΑΣΙΛΕΙΟΝ ΤΗΣ ΕΛΛΑΔΟΣ" on obverse. Inside slab by NGC "MS 67 / DOUBLED DIE OBVERSE". Top pop in both companies with this error. Cert number: 5790781-012. (Hellas 214).