500 Drachmas (1.11.1968) in green and dark green on multicolor unpt with Goddess Demeter, Triptolemos and Persefoni at center left. S/N: "10I 602273". WMK: Youth of Antikythera. Printed by Bank of Greece. Inside holder by PCGS "Gem UNC 66 -OPQ". (Hellas 198) & (Pick 197a).