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Lincoln Cent Toning In Vinyl Holders

 
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Author Previous TopicReplies: 4 / Views: 265Next Topic  
New Member

United States
45 Posts
 Posted 08/15/2020  09:55 am Show Profile   Bookmark this topic Add thegrendel to your friends list Get a Link to this Message
A while ago I bought a trove of Lincoln wheaties in various albums and folders. A couple of the albums were the no-no Harco ones, the notorious chemically toxic ones with vinyl and plastic holders that corrode and blacken copper coins.
And sure enough, most of the Lincolns were toned to a dull gray-black or worse. But a few, a very few of the uncirculated or near uncirculated ones were toned to a very nice deep cherry red. The vinyl actually improved their condition.

I'm wonder why. What random set of circumstances causes cherry red toning?
Valued Member
United States
481 Posts
 Posted 08/15/2020  1:01 pm  Show Profile   Bookmark this reply Add suipakpaikungfu to your friends list Get a Link to this Reply
Perhaps those were the last ones placed in the album?
Bedrock of the Community
United States
19580 Posts
 Posted 08/15/2020  10:51 pm  Show Profile   Bookmark this reply Add just carl to your friends list Get a Link to this Reply
Red dye maybe?
just carl
Pillar of the Community
United States
910 Posts
 Posted 08/16/2020  10:19 pm  Show Profile   Bookmark this reply Add machine20 to your friends list Get a Link to this Reply

Quote:
But a few, a very few of the uncirculated or near uncirculated ones were toned to a very nice deep cherry red. The vinyl actually improved their condition.


These still need to be soaked in acetone to remove the residue
Valued Member
United States
182 Posts
 Posted 08/26/2020  5:28 pm  Show Profile   Bookmark this reply Add coin searching to your friends list Get a Link to this Reply
Please post some pics.
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