On close examination it looks like the loop itself may have been soldered end to end to close the loop originally and the solder joint has aged...
I'm located in the northeast part of the United States, Boston MA, Providence RI area. Here is a little more detail on the loop on the back of...
The pin measures just about 1" in diameter. Yes, it was upside down from the rear, I rotated now. At the top is a loop, as if it could have also...
Should be visible now...
I came across this old looking pin in my parents estate, and while there are no markings of any kind on it (so I don't expect it is particularly...
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