Zinc based and in a very good, slightly worn condition.
Not marked but a known variation that has been attributed to the company of F. Zimmermann. See GCA data base.

Zinc based and in a very good, barely worn condition with practically all of the bronze wash still present.
Not marked but a known variation that has been attributed to the company of Steinhauer & Lück, Lüdenscheid. See Philippe de Bock, The German Panzer Assault Badge.
Uncommon variant.

Zinc based and in an excellent, probably unworn condition with all of the bronze wash still present.
Not marked but a known variation from an unknown company. See Philippe de Bock, The German Panzer Assault Badge.

Zinc based and in an excellent, probably unworn condition with all of the bronze wash still present. Not marked but a known variation. See Philippe de Bock, The German Panzer Assault Badge.
Best condition example.