For Army and Civilian. 50 years Austria & Hungary together.

Written on front of medal:

FRANC•IOS•I•D•G•IMP•AVSTR•REX•BOH•ETC•AC•AP•REX•HVNG

Written on back of Medal:

SIGNVM MEMORIAE

And

MDCCCXLLVIII-MDCCCXCVIII (1848 to 1898, 50 years Hungary and Austria make Empire)