50 Drachmas (8.12.1978) in blue on multicolor unpt. God Poseidon at left on face. S/N: "06Σ 255601". WMK: The Charioteer from Delphi. Printed by the Bank of Greece. Inside special official commemorative cover with self-adhesive stamp from booklet by the Hellenic Post. (Hellas 201). Uncirculated.