Smooth edges, thicker than a normal dimes, seems to have copper? Is it a mint error? Is it worth anything?
not an error these dimes have a copper nickel core. the years from 1965-2016 have copper nickel clad copper. the dates from 1946-1964 have .900 silver.
Any signs that someone started tapping the rim, trying to make a toe ring, e.g., and gave up after the reeding was obliterated? Steve