I go with removal by acid. I think electrolysis will cause more damage to the zinc core.
May I ask where you find the coins? I mean city or country. I’m asking in good spirit. I always like interesting stories on how the coins are...
You're most welcome! :)
Nice one! Remember the analogy of casting figure using a mold?
I read a little about this because I never heard it before. Are they really unsearched ? Sounds a bit like the unsearched roman coins.
[Edited] LOL Ignore my comment :banghead:
If you rotate the coin, keeping the north and south poles unchanged, the opposite side should be upside down. This is called “coin alignment”. If...
Here is mine, got it 3 months ago. Didn’t know it was “rare” [ATTACH]
Thanks, I hate it.
Nice!! I was missing your posts @Siberian Man
First time I'm seeing those. But I only collect coins made for circulation. I found your medal on ebay...
Could you elaborate on your answer? Thanks!
Not double die but rotated mintmark. Nice finding!! :) :)
I agree with @Collecting Nut Looks more like a fissure to me. Also considering the difference of colour surrounding the line in the coin I would...
It's very hard to tell for circulated coins, and just seeing a picture. I think your coin is just toned.
5 Cent "nickels" are 75% copper and 25% nickel. My guess is that a very strong oxidizer (acid) was applied to it and turned the alloy into a...
I'm a bit late to the party, but better late than never! ;) Your 1979 quarter is definitively toned, nicely toned IMO. That said, can we...
I have some very old Paraguay banknotes on eBay, including a special war occupation issue. They were part of my personal collection. Thanks for...
The topic of death, apocalypse, judgment day or whatever you call it, although dark, it’s very commonly depicted in churches and religious sites....
Do you see or feel any kind of embossing or difference in the level? In your picture it looks very flat, like a stain.
Separate names with a comma.