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Cleaning Your Finds

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Author Previous TopicReplies: 7 / Views: 2,447Next Topic  
Valued Member
Agosos's Avatar
Australia
155 Posts
 Posted 11/06/2010  11:45 am Show Profile   Bookmark this topic Add Agosos to your friends list Get a Link to this Message Number of Subscribers
I know cleaning coins is normally a no no,but I've recently dug up a few Aussie silver coins and a couple of them are caked with some hard muck.So I figure cleaning them should be ok,but how do I go about it?
I've heard toothpaste works but what kind?triple swirl?blue mint?
How do you clean your finds?
Valued Member
Waredu's Avatar
United States
397 Posts
 Posted 11/06/2010  11:48 am  Show Profile   Bookmark this reply Add Waredu to your friends list Get a Link to this Reply
Soak in acetone, rinse in distilled water - that's all I will ever do.

Most toothpaste is abrasive, even if you can't feel it in your mouth, the coin most definitely will show the swirl marks.
Valued Member
Agosos's Avatar
Australia
155 Posts
 Posted 11/06/2010  12:29 pm  Show Profile   Bookmark this reply Add Agosos to your friends list Get a Link to this Reply
I used to work in a quarry that milled sand into a fine powder.We sold tons of it to colgate.It's the same sand that's in ajax,just milled finer.
Pillar of the Community
specksynder's Avatar
United States
1080 Posts
 Posted 11/06/2010  1:48 pm  Show Profile   Bookmark this reply Add specksynder to your friends list Get a Link to this Reply
agree - no toothpaste! You use that to rub out the scratches in a CD because of its abrasive qualities.

I suggest, soak in distilled water, soak in acetone, rinse with distilled water, soak in xylene, rinse with distilled water, pat dry. The acetone and xylene do their work in mere seconds - less than a minute - so don't be soaking overnight or anything.

Remember, if you're unsure, experiment with a junk coin first.
Valued Member
Zarboy's Avatar
South Africa
169 Posts
 Posted 11/06/2010  5:26 pm  Show Profile   Bookmark this reply Add Zarboy to your friends list Get a Link to this Reply
There is lots of threads on here on how the guys clean ancient coins "Roman" etc, that method is to soak it in Olive oil for a period of time, I would think that the method will work the same for you on the recent coins, it should just take quicker. Maybe a few months rather than a few years as with the roman coins, I have some romans lying in Olive oil for more that one year, I know there are some guys on the forum that have it in there for much longer.
In the end you have to decide if there is probably a "Valuable" coin in there, and you do not want to risk it by destroying it do you,? so maybe edging towards the cautious side untill you can see if you have valuable or junk would be my suggestion.
Valued Member
Agosos's Avatar
Australia
155 Posts
 Posted 11/06/2010  11:52 pm  Show Profile   Bookmark this reply Add Agosos to your friends list Get a Link to this Reply
I actually have a batch of romans I've been cleaning for awhile now,I was kinda hoping for a quicker way ;)
I can see the years on the coins and there is nothing to valuable there.I'll give the acetone bath a go.I'm going out for another swing this arvo,looks like rain though.
Rest in Peace
pls's Avatar
United States
1729 Posts
 Posted 11/07/2010  08:41 am  Show Profile   Bookmark this reply Add pls to your friends list Get a Link to this Reply
Never scrub a coin if you can see its surface. Period. Unless you getting it ready for melt.
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fistfulladirt's Avatar
United States
4333 Posts
 Posted 12/25/2010  12:26 pm  Show Profile   Bookmark this reply Add fistfulladirt to your friends list Get a Link to this Reply
If you want to ruin an old coin in the long-term, soak it in olive-oil. It's organic and the acids will continue to "clean" the coin over the years.
When I listen to LED ZEPPELIN...so do my neighbors...
Roll hunting since '77
Dirt fishing since '72
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