Hi All, Need help with this 2019-D Penny I found. At the obverse it has some type of error or PMD over the 1 on the date and at the reverse it has what appears to be extra material piece inside the shield. Is this a keeper or spender? The penny seems to have some weathering spots but still shinny, no major damage.Sorry for the pictures being upside down.
This is not a die flaw since the die that made the coin did not have a flaw in it. This is a (not uncommon) plating blister. Gas inside between the zinc core and copper plating expanded and raised the thin copper layer. These can sometimes be burst with a toothpick (or hit in circulation). When burst, zinc rot tends to set in and the interior deteriorates. Plating bubbles do not add value to a coin.
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