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Jedi
regular
Reg'd: Sat
Posts: 1695
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Can anyone give me some tips on how to clean up some old coins please, thanks.
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Colin
Mount Everest The British Story
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mgmcc
regular
Reg'd: Thu
Posts: 1104
Loc: Dundee, Scotland
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Citric acid (which is the acid in fruits) is very effective. If you have a "home wine making" shop locally, get a little tub of citric acid crystals, dilute in water and leave the coins in the solution for an hour or so.
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Mike
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Jedi
regular
Reg'd: Sat
Posts: 1695
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Many thanks for the help, I will give it a go.
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Colin
Mount Everest The British Story
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bricat
HijackThis Helper
Reg'd: Wed
Posts: 31986
Loc: belfast
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personally i wouldn't clean old coins, you usually devalue them once you clean them, because you remove the lustre
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IF I HAVE SAVED YOU MONEY, PLEASE CONSIDER GIVING A DONATION TO HELP IN MY FIGHT AGAINST MALWARE.
 
When the only tool you own is a hammer, every problem begins to look like a nail. 
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spiraleye
regular
Reg'd: Sun
Posts: 243
Loc: Hither Green, London
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HP sauce... Simples.
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guidedog
regular
Reg'd: Tue
Posts: 135
Loc: Dundee
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Try brown sauce.
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"I can never finish anyth"
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BedstorfromAP
Reg'd: Thu
Posts: 5098
Loc: 32 Bus Stops West of Wigan UK
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Ah ye olde Brown sauce Method that takes me Back 
If its a Newer coin dipping in a solution of neat Cillet Bang can restore the finish
or can it? www.youtube.com/watch?v=w94LZqoezrE
Or try Cif/White cream cleaner which is good on the Hands (I clean 100's of things with it) Brilliant Hand Cleaner too Only No No it scratches some plastics (clear type )
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History so far.. 10 years surfing & 29 Years Computing (First ZX81 1k) 
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Mouse
Moderator
Reg'd: Thu
Posts: 6986
Loc: Psst....over here
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Coke does the trick too.
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Doublell
regular
Reg'd: Tue
Posts: 745
Loc: Essex
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You may devalue the coins by cleaning them. I would seek advice from a firm like Spink & Son, Tel. No. 020 7563 4000. They are part of the Christie's Group.
Have a look at Spink
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