Watch List notes:

GREECE: Sheet of 3x 50 Lepta (ND 1920) in blue. Standing Athena at center on face. Consecutive S/Ns: "T/4 451661 / 451663". Linear perforation. Printed by Aspiotis. Inside holder by PMG "Choice About Unc 58 EPQ". (Hellas 226a) & (Pick 303a2).