Description: Copper planchet used instead of steel during wartime. Extremely rare error due to planchet mix-up.
🔍 How to Identify This Error
- Copper color instead of steel gray
- Magnet test - copper cents won't stick
- Weight should be 3.11g (copper) vs 2.70g (steel)
📊 Grading & Condition Notes
Million dollar coin. Professional authentication absolutely essential.
⚠️ Authentication Warning
Always have valuable error coins professionally authenticated and graded. Counterfeit error coins exist, and proper identification requires expertise and specialized equipment.