Hello I wanted to start a discussion about conserving bronze/copper coins with black spots. I see these mostly referred to as "carbon spots" but...
So how might one treat green stuff growing on copper? Any household remedies? Verdicare? How would it work on this guy? Bad ear infection:...
Questionable color. I would pay a handsome price for this coin raw. I see these quite a bit in slabs: Questionable color. Questionable. Doesn't...
[ATTACH] [ATTACH] [ATTACH] So a while back I bought a ton of these uncirculated late 1930s Lincoln Wheat Cents. Been wondering about a lot of them...
I know this is a longshot but thought Id put it out there and get a more definitive opinion. Ive had this coin a long time. I just learned that...
What causes a copper coin to turn red? What causes one to turn brown? Are they caused by different chemical processes? Or is it the same process...
Forgive me if there's a thread exclusively for this book already. I'm sure there is. About to open it up and thought it would be fun to discuss....
Hello I spent some time yesterday Googling and researching the 2010 PCGS (CU) lawsuit against various alleged coin doctors. Couldnt really find...
I just got a few bottles of Coin Care in the mail today. Chomping at the bit to get started conserving!!! But I just heard a little voice in my...
I'm scared to ask any cleaning related questions. I know how polarizing the issue is. So this question is specifically for those who have dipped...
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