I didn't doubt your word that it was recessed. One possibility I considered was that it was a rim burr that broke off, but I've never seen a rim...
They've been around for a long time. I used to have one that I found about 40 years ago. No, they're not real gold! Chris
It has me stumped! Chris
For most coins, the rim is slightly higher than all of the devices on a coin. That is intended to prevent too much wear on the devices as they are...
Is it raised above the rest of the rim or is it recessed? I can't tell from the photo. Chris
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