Registered letter posted from "ΘΕΣΣΑΛΟΝΙΚΗ (ΣΥΣΤΗΜΕΝΑ)*12 ΟΚΤ. 23" to London, fr. with 1dr./1dr. in bl.4 of "ΕΠΑΝΑΣΤΑΣΙΣ 1922" overprint. Total postage 4dr., letter 1st weight international mail (2dr.+2dr. register). (Hellas 451).