French Levant. (Postage Due Mail). 1909. Envelope addressed to Constantinople bearing France Yvert 138, 10c carmine tied by Marseille date stamp '27th Feb 09', underpaid with 'T' hand-stamp and bearing France postage due Yvert 29, 10c brown (strip of three) applied and tied by Constantinople - Galata Poste Francaise double ring '4th Mars' on face. Nice item of underpaid mail.