1869, Napoleon laureate 40c Y&T n°31 cancelled GC 5099 + cad of Sulina Turq. D'Europe on letter to Greece, transit stamp via Constantinople and arrival cad on back, stamp with a defective tooth in corner, signed Scheller and Baudot, Behr certificate (2016), Yvert et Tellier value €8,500, a great rarity from the French Offices Abroad and the Levant!