Prepaid cover from Patras to Glarus, Swiss. Inscribed "Via Marsiglia", fr. with 40l grey-mauve on blue and 80l rose-carmine in pair (to pay the double rate for carriage by French steamer), tied by "9" Patras cds and boxed "PD". Postmarks "ΠΑΤΡΑΙ*7.ΜΑΙΟΣ.69" (depart), "ΠΕΙΡΑΙΕΥΣ*8.ΜΑΙΟΣ.69", "GRECE MARSEILLE*25.MAI.69" and "MULHOUSE*27.MAI.69" in France, "FELDKIRCH*28/5/69" in Austria, "CHUR-ZURICH*28.V.69", arr. "GLARUS*29.MAI.69".