WWI real photo postcard Feldpost, Rare sent from one German soldier to another For Sale

This real photo postcard features an image of three German soldiers. While it has wear and a slight tear in one corner, the handwritten message makes this postcard highly unique and of great historical value.Message: Dear Karl,I haven\'t heard from you in a long time. How are things? Are the old Landsturm (territorial militia) men still there? Hopefully, you are still among the living. Everything here is still in good shape, which I hope is the case for you too.With warm greetings, your cousin Paul
The postcard was sent from one soldier to another and it clearly shows the complex movements of mail during wartime:Field Post (Free Military Mail)Train Commission / Command 17ToTrain-Soldier Karl LandgrafRoyal Bavarian Train Battalion 4Currently at Reserve Hospital ILiedinger DepartmentBayreuth (Bavaria).