1923 Registered Cover fr. with 1dr. & 2dr. Litho and 2x5l./3l. & 2x5l./10l. & 2x10l./30l. & 1dr./1dr. "ΕΠΑΝΑΣΤΑΣΙΣ 1922" overprints, the 10l./30l. with impressive perforation variety, canc. "ΠΑΤΡΑΙ*22 ΙΟΥΛ.23". (Hellas 439 + 442 + 449 + 451A).