My Exploration of Mysterious Marks on a 2020 P Dime
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July 1, 2025I’ve spent countless hours diving into the world of Lincoln cents, and nothing captures the intrigue quite like the 1982-D small date on a copper planchet. It’s a coin that’s sparked endless debates and wild goose chases among collectors, especially with all the confusion around its weight—often misstated as 309 grams in casual talk, but let’s get real: we’re dealing with grams here, and the real deal is about 3.09 to 3.11 grams for copper. Today, I’m sharing my hard-earned insights to help you navigate this numismatic maze without losing your sanity.
The Rarity That Drives Us Crazy
In my experience, the 1982-D small date copper cent is the holy grail of modern coin errors, but it’s also a mirage for most. Only two authenticated examples exist worldwide, and experts agree that finding a third is like winning the lottery—possible in theory, but practically impossible. I’ve seen so many collectors burn out chasing this unicorn, pouring over eBay listings or social media posts, only to realize they’ve misidentified a common variety. The key takeaway? Don’t waste your time; focus on coins you can actually find and enjoy.
Weight Woes and Tolerance Tales
One of the biggest headaches I’ve encountered is the weight confusion. Here’s the scoop: copper planchets from 1982 should weigh around 3.11 grams, with a tolerance limit of ±0.3 grams, meaning anything from 2.81g to 3.41g could be normal. But when someone claims a 3.9g coin, that’s way off—it’s likely a scale error or a zinc-coated imposter. Zinc cents weigh about 2.5g, so a 3.09g reading (like in many discussions) is perfectly within range for copper. Always double-check your scale and remember: if it sounds too heavy, it probably is.
- Copper cents: 3.11g ±0.3g
- Zinc cents: ~2.5g
- Red flag: Weights over 3.5g or under 2.8g—likely not genuine for this variety.
Spotting the Real Deal: Snowman Effect and More
To avoid disappointment, I’ve honed my skills in identifying the small date. Forget vague guesses; look for the “snowman effect” on the 8 in the date. On a true small date, the top loop is noticeably smaller than the bottom, like a snowman’s head versus body. Compare it to a large date where both loops are similar in size. Also, check the mint mark positioning—small dates have a distinct look. I always recommend using a magnifier and referencing trusted guides, because misidentification is rampant and can lead to costly mistakes.
Sensible Collecting Strategies
Based on my journey, I suggest shifting your focus to more achievable goals. Instead of hunting the impossible 1982-D small date copper, build a full set of 1982 Lincoln cents. That includes P and D mints with both large and small dates—seven varieties in total, most of which are common and affordable. Here’s my practical advice:
- Save copper cents for their intrinsic value; let zinc ones circulate.
- Invest in a good scale and learn to measure accurately—precision is key.
- Grade coins carefully: Eye appeal matters, as stains or wear can tank value.
Market-wise, while the rare copper small date could fetch six figures, common versions are worth face value or a slight premium in uncirculated condition. Keep an eye on auctions for trends, but don’t get swept up in hype.
Wrapping It All Up
In the end, numismatics is about passion and patience. I’ve learned that chasing myths like the 1982-D small date copper cent can drain the fun out of collecting. Focus on the thrill of discovery with attainable coins, and you’ll build a rewarding collection. Happy hunting, and may your scales always read true!