Watch List notes:

GREECE: Pattern coin of 50 Drachmas (1986) in different alloy of metal than the circulation coin. Sailboat and inscription "ΕΛΛΗΝΙΚΗ ΔΗΜΟΚΡΑΤΙΑ" on obverse. Head of Homer facing left on reverse. Minor differences than the circulation coin, such as there are no lines on the sails of the sailboat. Inside slab by NGC "UNC DETAILS / CLEANED / PATTERN". Unique in pop report and unique known. Cert number: 6634092. (Hellas Unlisted). Extremely rare!