Log in or Sign up
Coin Talk
Home
Forums
>
CoinTalk
>
What's it Worth
>
Found a few very nice state quarters very beautiful but odd
>
Reply to Thread
Message:
<p>[QUOTE="lordmarcovan, post: 4892159, member: 10461"]One-sided toning can sometimes occur as a reaction to the environment on the upright side of the coin which was exposed. The bottom side that was not exposed might not tone as much.</p><p><br /></p><p>I'm not terribly knowledgeable about chemistry, but sulfur is usually one of the bigger contributors to toning, both natural and artificial. Where I live, you can leave some coins out on a windowsill, indoors, and they will tone. We have lots of sulfur in the groundwater here, and there are also several pulp and paper mills which emit it into the air, so it is all around in the atmosphere.[/QUOTE]</p><p><br /></p>
[QUOTE="lordmarcovan, post: 4892159, member: 10461"]One-sided toning can sometimes occur as a reaction to the environment on the upright side of the coin which was exposed. The bottom side that was not exposed might not tone as much. I'm not terribly knowledgeable about chemistry, but sulfur is usually one of the bigger contributors to toning, both natural and artificial. Where I live, you can leave some coins out on a windowsill, indoors, and they will tone. We have lots of sulfur in the groundwater here, and there are also several pulp and paper mills which emit it into the air, so it is all around in the atmosphere.[/QUOTE]
Your name or email address:
Do you already have an account?
No, create an account now.
Yes, my password is:
Forgot your password?
Stay logged in
Coin Talk
Home
Forums
>
CoinTalk
>
What's it Worth
>
Found a few very nice state quarters very beautiful but odd
>
Home
Home
Quick Links
Search Forums
Recent Activity
Recent Posts
Forums
Forums
Quick Links
Search Forums
Recent Posts
Competitions
Competitions
Quick Links
Competition Index
Rules, Terms & Conditions
Gallery
Gallery
Quick Links
Search Media
New Media
Showcase
Showcase
Quick Links
Search Items
Most Active Members
New Items
Directory
Directory
Quick Links
Directory Home
New Listings
Members
Members
Quick Links
Notable Members
Current Visitors
Recent Activity
New Profile Posts
Sponsors
Menu
Search
Search titles only
Posted by Member:
Separate names with a comma.
Newer Than:
Search this thread only
Search this forum only
Display results as threads
Useful Searches
Recent Posts
More...