What's your evidence? Did you weigh it? The color does not support this. Cent planchets are copper colored. Your coin is the color of a typical dime with environmental damage. Dimes have copper in them already, enough to give this color.
📋 Item Submitted
Was this dime struck on a penny plachet
M
Marc's Expert Appraisal
ANA-Certified Numismatist · Hudson Valley Numismatics
Similar Appraisals
1965 dime
One year earlier it would be silver. This one is face value.
1856 dime in fairly good condition
Fairly good or goodly fair? I'd want $5-10 for it.
Have several coins with errors would like to get value and sell options. Have…
See our note on website about modern errors. Not much here to speak of.