Here is a CD 106 Hemingray insulator. It looks like "HE" is engraved over "PAT." You can see the T, A, and the top of the P when you look real closely. The (R-Skirt) is PATENT / MAY 2 1893
There is also a little line under the middle bar of the "H."
Unlisted? Has anybody seen one like this?
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