Need help identifying this insigna

I was cleaning out a box of embroidered patches and other items that an friend of my father gave me about 30 years ago. I have identified most of the items, but several remain elusive. This badge measures 2 1/16" high by 1 9/16" wide. The face is embroidered with crossed oak leaves at the bottom. The swastika and the surrounding coged wheel is a very bright gold. The leaves and boarder are more of a brass color. The patch is mounted on a convex tin back with an attachment clasp. The picture of the back is a little fuzzy.

Thanks for any information you can provide.

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