This listing is for the 1985 Lincoln Penny Plating Blisters Error.  This error type occurs only on copper-plated zinc cents from 1982 to 2026. Blisters form during the strike when expanding gas pushes up the copper plating from heat and pressure. A weak bond between the copper plating and the zinc core is a necessary prerequisite as are contaminants within or under the plating. Interesting Find!!

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1985 Lincoln Penny Plating Blisters Error - Unique Error 1985 Penny Blister Plating Bubbling