A very nice piece of a rare medal.
Obverse: bust 3/4 left, in the rim legend:
TADEVSHOWI RVTOWSKIEMV;
Reverse: lion of Lvov in a wreath girded with torn shackles, on the sides the dates 3.IX./1914 - 22./VI./1915, below -OBROVERS-/-I-OPIEKVNOWI-/-LWOWA-/-NKN-;
Zinc, diameter 60 mm.