The Silvretta Alps are shared by Vorarlberg and Tirol (Austria) and Graubünden (Switzerland). It borders in the west to the Rätikon Alps, in the north to the Verwall Mountains, in the east to the Samnaun Mountains and in the south to Swiss mountain ranges.
The highest mountains are Piz Linard (3'411 m), Fluchthorn (3'399 m) and Piz Buin (3'312 m).
Austria 1945/1947 Gross Litzner (3'109 m).
The stamps were issued in the series "Definitive Landscapes 1945-1947".