German Tankard or Beer Stein.  Image on the front reads:  Freistadt ALTE Kameraden ... gegr 1942.  This is a  Pottery Stein Marked or Stamped on the bottom. Gray colored stein ... tankard with bright vivid Gold Gild around the top outside rim.  

Freistadt translator brings up as this being a small village in upper Austria and beer making

Alte translator brings up this word as being OLD 

Kameraden translator says this word means Comrades

The stein/tankard has bright vivid colors to the shield or crest.  Has a decorated tankard on one side and musical trumpets or bugles on the other side.  The words Alte Kameraden under at the bottom

Measures 5 inches tall x 3 7/8 inches in diameter at the bottom and 5 inches in diameter with the handle measurements.  The item is marked on the backside as being 0.5L