Geoff runs Genuine Cents, a straight talking coin education project built from hands-on experience and hundreds of hours examining coins. He is an ANA member and writes practical guides for new and returning collectors who want clarity instead of hype. If you want to reach him, message him on Instagram at @GenuineCents.
Think you found a repunched mintmark? Think again. If the doubling is only on the mintmark, it’s probably just a mechanical hiccup and not a rare variety. Here’s how to tell the difference between real value and junk that only looks good under a microscope.
A USB microscope can save your eyes, your time, and your sanity. Here’s how to set one up on a Mac or PC without downloading any shady apps.
PMD stands for Post-Mint Damage. It refers to anything that happened after a coin was struck. It doesn’t matter if the damage occurred at the mint or in someone’s pocket. If it didn’t happen during the minting process, it’s not an error. It’s damage.
Think your 1965 quarter might be silver? Most aren’t, but a few rare ones are worth thousands. This guide shows you how to check the edge, weigh the coin, and know what to look for.
Most nickels are only worth five cents, but a few stand out for their silver content, low mintages, or collectible errors. This guide covers the key dates, valuable varieties, and what to actually watch for in your change.
In 2009, the U.S. Mint released four special penny designs to honor Abraham Lincoln’s life. They look different, but are they actually worth anything? This guide breaks down what to look for, which versions have value, and why most of them are still only worth a cent.
Wondering if your 1982 penny is worth anything? With seven different varieties and a mid-year metal change, it’s one of the most confusing coins out there. This guide breaks down how to tell copper from zinc, what to look for in small dates, and which version might actually be valuable.
Before you post your coin to Reddit, stop and ask yourself if it’s something you could figure out with a quick search. Most ignored posts have the same problem. They show no clear photos, give no details, and ask no real question. This guide shows you how to do better so you actually get answers, not downvotes.
If you’ve ever stared at a crusty Wheatie or grimy nickel and thought about scrubbing it clean, you’re not alone. Every collector hits that moment. This post breaks down what really happens when you clean a coin, when it might be okay, and how to do it without turning your collection into a regret pile.
Ever found a coin with missing letters or soft details that didn’t quite look worn? You might have a grease-filled die error. These are common and usually not worth much, but they’re a great way to learn how coins are made and what to watch for when something seems off.