Most people know 1943 steel pennies are unique, but 99% don’t know about the rare errors that can make them worth hundreds — even tens of thousands of dollars.
In this guide, we’ll walk you through the top errors to look for so you can start checking your change and coin jars today.
1️⃣ The 1944 Steel Penny — The Jackpot Find 🎯
Steel cents were only supposed to be made in 1943, but a few accidentally got minted in 1944.
These are extremely rare and highly valuable.
💵 Auction prices:
- $24,000 for one example
- $36,000 for another in higher grade
👉 Tip: If your steel penny says 1944, you’ve hit the lottery!
2️⃣ The “D Over D” Mint Mark Error 🏷
Look for a Denver mint mark (“D”) just below the date. On some coins, you’ll see a D stamped over another D — a minting mistake known as a repunched mint mark.
💰 In high-grade condition, these can sell for over $300.
🔍 How to spot it:
- Use a magnifying glass.
- You’ll see the main “D” and traces of another directly underneath or to the side.
3️⃣ The 1943 Over 1942 “S” Mint Mark Error 🔄
Some 1943 steel pennies from the San Francisco Mint (“S” mint mark) were actually struck over 1942 dies.
The best clue is in the last digit of the date:
- The “3” will have part of a “2” underneath it.
- Look closely at the curve of the “3” — you may see the underlying “2” shape.
💵 In nice condition, these average around $500.
📌 Quick Recap — Steel Penny Money-Makers
✔️ 1944 Steel Penny — $24,000–$36,000+
✔️ 1943-D D/D Mint Mark — $300+ in high grade
✔️ 1943/42-S Overdate — Around $500 in nice condition
🛠 Pro Tips for Collectors
- Always inspect steel pennies with a jeweler’s loupe or magnifier.
- Store valuable finds in acid-free holders to prevent rust.
- Get rare coins professionally graded by PCGS or NGC for maximum value.
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