Hamburg Cap Insignia - Era?

[fredswiss]

Any help identifying the era of this cap insignia would be greatly appreciated. I had one person tell me it was from the Weimar era and another that it was from the 1950's or 1960's era. Thanks in advance for any help.

[fredswiss]

Here's a view of the back:

[Diane]

This style of cap badge came into use in 1978.

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