50 Drachmas (8.12.1978) in blue on multicolor unpt. God Poseidon at left on face. S/N: "06T 290174". WMK: The Charioteer from Delphi. Printed by the Bank of Greece. Inside special commemorative cover with self-adhesive stamp from booklet by the Hellenic Post. (Hellas 201) & (Pick 199a). Uncirculated.