cover 1811 (31 Oct.) entire letter, written in French by E.M. Escalon from Galata, Constantinople to London, rated "9/-" and showing two strikes of curved-framed "MALTA" in red (MSF-1aR) with, on reverse, manuscript endorsement "Malta 2 March, Recd Gibraltar, Forwd 3 March, p Lee & Ham". Scarce and very unusual. Photo