Russia 1916-10-13 censored, registered cover sent wax sealed from Petrograd to stamp dealer Emile Wettler in Zurich. Franked with set of three money stamps. Wettler was one of the 14 founders in 1909 of the SBHV (Swiss dealer union). Among them were others like Henry Heller, Ernst Zumstein and Eduard Locher.
Post of Russia
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