1917 Military letter. France – Russia. Postcard. Sealed imperial eagle

1917 Military mail postcard for correspondence with Russian troops in France during the World War I. Free of charge. The Russian coat of arms is sealed with black paint.

Message in Russian on the back side: “This open letter must be handed over to the postmaster of the appropriate military unit. It must not contain any indication as to the place of departure, nor information about past or upcoming military actions.”