If you’re trying to spot cleaned coins, you’re going to run into a lot of confusing lines under the microscope. Not all of them are signs of damage. One of the most common points of confusion is the difference between hairline scratches from cleaning and die polish lines that are part of the original coin…
When a coin is polished, someone has taken it upon themselves to shine it, often with a cloth or something abrasive, to bring back that “fresh from the mint” look. Unlike whizzing, which uses high-speed tools, polishing tends to be more of a manual, low-speed process, but it’s still damaging. The results might look cleaner…
If a coin looks like it went through a belt sander, you’re probably looking at a whizzed coin. Whizzing is an aggressive and outdated attempt to make worn coins look “better” by mechanically buffing the surface, usually with a wire brush, Dremel tool, or polishing wheel. The goal is to create a fake shine, but…
There’s something strange about a coin that’s technically “clean” but doesn’t look quite right. Maybe it shines just a little too much for its age, or maybe it seems unnaturally flat. That odd look might be the result of chemical dipping, one of the most common ways a coin gets damaged without a single scratch….
Hairline scratches are one of the easiest signs of cleaning to spot, but also one of the most misunderstood. They’re usually the first thing new collectors are told to look for, yet learning to identify them accurately takes some experience. If you’ve spent any time reading Reddit threads about cleaned coins, you’ve probably seen people…