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Cleaning Dirty Half Dollar Coins

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Pillar of the Community
Jaobler's Avatar
United States
6394 Posts
 Posted 07/04/2016  11:22 pm  Show Profile   Bookmark this reply Add Jaobler to your friends list Get a Link to this Reply
This is a Magician's coin I found roll-searching. It had a 1990-P half as the host coin. The insert appears to be a (genuine?) English penny which was shaved thin and glued onto a genuine, cut-down Kennedy half reverse. The two halves fit very tightly together. I separated them by placing the coin is a plastic bottle and shaking it violently until the insert worked itself loose.


Cleaning-Dirty-Half-Dollar-Coins

Cleaning-Dirty-Half-Dollar-Coins

Cleaning-Dirty-Half-Dollar-Coins
New Member
mh1001's Avatar
France
4 Posts
 Posted 07/05/2016  12:36 pm  Show Profile   Bookmark this reply Add mh1001 to your friends list Get a Link to this Reply
Thanks for your advices, guys.

Jaobler, you seem really knowledgeable about these kinds of coin. Indeed my two coins are both copper/silver, and although they can separate, it's not the same system as the one you've shown.

Anyway, I will try these methods and let you know what happen. But I think I may end up buying new gimmicked coins (the two coins in the above picture are $50 each......). Because at that moment now they are unusable for my show, unless they look exactly like my other normal half dollar and english penny coins.

I can just tell you now that the washing with warm water and soap doesn't work. Will try some of the products you guys mentioned. Next time, I will be careful before tempting anything that stupid; I would have never guessed that these coins could have such reactions to barbecue sauce, or anything like this.
Edited by mh1001
07/05/2016 12:39 pm
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Slider23's Avatar
United States
4469 Posts
 Posted 07/05/2016  1:30 pm  Show Profile   Bookmark this reply Add Slider23 to your friends list Get a Link to this Reply
When you apply the different cleaning compounds separate the cooper and silver as the metals can react different to the cleaning compounds. Good luck on getting the half dollars to look like new.
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