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1. Rust stains on gold coins.

   

   Discussion by keets · March 20, 2014 1:14AM · Home› U.S. Coin Forum

   Is there an effective way to remove rust stains/spots from gold coins?? Thanks in advance. Al H.

2. Re: Rust stains on gold coins.

   

   Comment by keets · March 20, 2014 8:32PM · Home› U.S. Coin Forum

   It is copper spotting. It appears rust-like. definitely not copper spotting and not something in the alloy, it is either a stain of some type on the surface of the coin from storage or a foreign substance that is the color of rust. I left it soaking in acetone overnight while I consider what to do. thanks for the input,…

3. Re: Rust stains on gold coins.

   

   Comment by ricko · March 20, 2014 9:33AM · Home› U.S. Coin Forum

   It is copper spotting. It appears rust-like. Cheers, RickO

4. Re: Rust stains on gold coins.

   

   Comment by ModCrewman · March 20, 2014 1:38AM · Home› U.S. Coin Forum

   I have been successful with Rust Remover on silver...can't speak to it's effectiveness on gold.

5. Re: Rust stains on gold coins.

   

   Comment by derryb · March 20, 2014 1:42AM · Home› U.S. Coin Forum

   Are you sure it's not copper spotting. I don't believe there is any metal in gold coins that should rust.

6. Re: Rust stains on gold coins.

   

   Comment by steveben · March 20, 2014 8:11AM · Home› U.S. Coin Forum

   you may want to leave it. gold doesn't rust and it could be just copper spotting/staining...which isn't necessarily a bad thing.

7. Re: Rust stains on gold coins.

   

   Comment by BAJJERFAN · March 20, 2014 1:19AM · Home› U.S. Coin Forum

   You can try ascorbic acid aka vitamin C or there is one caller Rover which is a mixture of I believe sodium sulfite and sodium hydrosulfite. Use the Rover outdoors as it is sort of noxious stuff, gives off SO2 sulfur dioxide. Stinky sodium thioglycolate works too. The drift is to convert the iron in rust from the ferric…

8. Re: Rust stains on gold coins.

   

   Comment by coinhack · March 20, 2014 4:54AM · Home› U.S. Coin Forum

   Maybe ask Don Kagin? Their work looks pretty nice.

9. Re: Rust stains on gold coins.

   

   

   Comment by Broadstruck · March 20, 2014 2:50AM · Home› U.S. Coin Forum

   If a Goat is good for recoloring copper... A Sheep might remove stains on gold

10. Re: Rust stains on gold coins.

    

    

    Comment by pmac · March 20, 2014 1:43AM · Home› U.S. Coin Forum

    << <i>You can try ascorbic acid aka vitamin C or there is one caller Rover which is a mixture of I believe sodium sulfite and sodium hydrosulfite. Use the Rover outdoors as it is sort of noxious stuff, gives off SO2 sulfur dioxide. Stinky sodium thioglycolate works too. >> And maybe have some of your silver around to do…