Watch List notes:

GREECE: 50 Drachmas (1.10.1964) in blue and purple on multicolor unpt. Arethusa at left on face. Solid S/N: "18Γ 222222". WMK: Youth of Anticythera. Printed by the Bank of Greece. Inside holder by PMG "Superb Gem Unc 67 EPQ / Solid 2s". (Hellas 195) & (Pick 195a).