Props to mecha...after the challenge from his post I used an exacto knife and chipped off what appears to be an acrylic glue. Thanks for...
The area is raised and appears to be a separate piece of small metal adhered perhaps through diffusion bonding, this the best way I can describe it.
Found this quarter while inspecting my collection. It appears that perhaps the cladding from a previous strike pealed away and adhered to the...
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