Air-mail cover posted from "SIDI GABER*23 FEB. 37" censored on arrival "ΤΡΙΠΟΛΙΣ*35 ΦΕΒ. 37" with exchange control cachet "ΥΠΗΡΕΣΙΑ ΠΡΟΣΤΑΣΙΑΣ ΕΘΝΙΚΟΥ ΝΟΜΙΣΜΑΤΟΣ-ΤΡΙΠΟΛΙΣ=*=" (type 4b, Nr.54) in violet and bilingual tape "CONTROLE DU CHANGE" (Nr.10). Also correspondence censor cds with 4 signatures.