Key Takeaways:
- True doubling shouldn’t be confused with machine doubling, which happens when the coin shifts at the moment of strike.
- Machine doubling appears flat and shelf-like.
- True doubled die obverse pennies display rounded details and have equal depth on both impressions.
A doubled die obverse penny can be worth a decent amount on the market. For example, the 1955 and 1969-S coins have sold for five-figure sums because their doubling is bold, making the coins stand out.
While not every doubled die carries the same value, most can command healthy premiums.
In this guide, we’ll discuss how the doubling error forms, how to spot a DDO penny, and how American Hartford Gold can help expand your coin collection.
How Does Doubling Form?
A working die is the “stamp” that creates each coin. When that die is made, it sometimes receives two misaligned blows from the hub. If technicians misalign the second impression even slightly, every coin struck from that die displays doubled design elements.
Since the misalignment is on the die, the mint error appears in the exact same spots and direction on every coin. True doubling shouldn’t be confused with machine doubling, which happens when the coin shifts at the moment of strike. Machine doubling appears flat and shelf-like due to the sliding of metal.
How Collectors Spot a DDO Penny
True doubled die obverse pennies display rounded details and have equal depth on both impressions. Identifying that rounded texture helps collectors avoid purchasing error coins that are inauthentic. Helpful tools include the 10x loupe and low-power USB microscope.
Collectors can use either of these with the help of quality lighting to help identify key details like the line weight of the numbers in the date. Additionally, true doubled die cents will show clear separation inside the letters, typically in the vertical strokes of “LIBERTY” and “TRUST.”
Plan for the Future With AHG
Whether you’re looking for a unique penny variation or another type of precious metal to add to your collection or portfolio, American Hartford Gold is committed to helping clients acquire their ideal pieces.
For those interested in retirement planning, we can help roll eligible gold pieces into a Gold IRA to secure long-term wealth. Regardless of where you are on your coin collecting journey, we can help you get where you want to be.
FAQs
Which year is the most famous doubled die obverse penny?
The 1955 Lincoln cent is the most famous DDO penny, and its doubling is bold enough to spot without magnification.
How can I separate machine doubling from a true doubled die?
Machine doubling produces flat, shelf-like edges, while a true doubled die shows rounded, raised lines that match the primary design’s height.
Do circulated doubled die pennies hold value?
Yes. Worn coins can sell for modest amounts, but bright and uncirculated coins will always command the highest premiums.
Sources:
What Are Doubled Die Coins and How to Identify Them | Spruce Crafts
