500 drx (23.10.1917) in black on multicolor unpt with "Portrait of G. Stavros" at left and "Arms of King George I" at right. Serial no "ΣΑ00 00000". Upper marginal Specimen with ovpt between signatures and two cancellation holes over them. Box cachet "RETURN TO ISSUE ROOM, To be hold for (reference?)" and linear cachet "APR 11 1918". Printed by ABNC. Inside plastic folder by PMG "Choice Uncirculated 64 - Exceptional Paper Quality". (Pick 56s).