One-piece die struck stamped nickel construction.
Jawless skull and cross bones in the center with a tank below.
Both are surrounded by an oval oak leaf wreath.
Thin vertical pin back with a c-catch on reverse.
This was awarded for service during the Spanish Civil War from 1936 thru 1939.
Dimensions are 1 7/8 inches wide by 2 3/8 inches tall.