Infantry assault badge in silver – “Pillow crimp Vienna design”

Infantry assault badge in silver – “Pillow crimp Vienna design”. Mid to late war zinc IAB with Vienna design front and crimped in setup on the back. Remains in lightly worn condition and shows only some of the original silver finish missing. Normally found with faded or galvanized finish. These badges with pillow crimps are most likely all made by B.H. Mayer.