Color trial specimen of back of 50 Drachmas (1926 NEON issue / old date 6.5.1923) in dark blue on orange unpt. Goddess Athena "thinking" at center on face. Perfin "SPECIMEN" at bottom right. Uniface. Printed by BWC. Inside holder by PMG "Choice Uncirculated 63 / Previously Mounted / Back Color Trial Specimen". (Hellas 101cts) & (Pick 84cts2).