Entire letter canc. "ΑΘΗΝΑΙ*27.ΜΑΙ.1851" to Stockholm, Sweden. Inscribed "Paquebot Francaise", postmark "1 GRECE MARSEILLE*1?.JUIN.51", transit "HAMBURG*20.6.1851" in Germany and "YSTAD*27.6.1851" in Sweden. Postage markings "49", "19" and "19 1/2". Very fine and scarce.