Registered cover to Fraunfeld posted from "ΣΥΡΟΣ*7.IX.37" with double-circle exchange control cachet "ΥΠΗΡΕΣΙΑ ΠΡΟΣΤΑΣΙΑΣ ΕΘΝΙΚΟΥ ΝΟΜΙΣΜΑΤΟΣ-ΣΥΡΟΥ-*-" (Type 4b, Nr.51) in red colour and bilingual tape "CONTROLE DU CHANGE" (Nr.55).