France 1871 15c+25c+40c Ceres Paquebot Cover Marseille to Constantinople

Folded letter, with contents, datelined Marseille, franked with 15c brown, 20c blue (Type I), and 40c orange, tied by Anchor in dotted lozenge, postmarked "Ligne U / Paq Fr. No 3" (11 Nov), to Constantinople, with c.d.s. arrival backstamp, 40c adhesive somewhat discolored as often seen, else a pleasing three-color franking to Turkey. (Yvert 59, 60A, 38)