@58-mpala wrote:They are German. Stück means basically per or each as in
on each. GEPR is some type of proofmark but I have no idea of the
meaning. It appears to be a microphone for a telephone handset.Thank
you! Good info.
I found 4 of these at an Estate Sale. I have asked MANY people what they
thought they were. The most common answer was something for a military
phone or radio. Printed on the edge is gepr and on the back it has
10.44. There is printing on both sides ...
