2 Drachmas (1966) in silver. Head of King Constantine II facing left and inscription "ΚΩΝCΤΑΝΤΙΝΟC ΒΑCΙΛΕΥC ΤΩΝ ΕΛΛΗΝΩΝ" on obverse. The coin had a metallurgic analysis and was previously graded as silver by NGC too. It is the unique known with this date in silver. Rumours say there were some cases in either platinum or silver for presentation. Inside slab by PCGS "SP 66". Unique! Cert number: 46744486. (Part of Hellas T.186).