WW1: Austrian Arch-Duke Karl Franz Joseph, Heir to the Austro-Hungarian Throne, inspecting the troops at the Russian-Polish front.
Color postcard, sent 1919 from Wels to Oerebro in Sweden.
Pair if 5 Heller stamps, tied by black Wels-strike and red Censor Mark Linz.
Neat writing, fine condition.
W.W.I.: Arch-Duke Karl, Heir to the Throne at Front. Vintage Postcard 1916.