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arthur stead

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Is there a way to bring dirty copper and silver coins “back to life” without overdoing it?  I don’t want to end up with overly shiny coins.  Just slightly cleaner than they are now, having been used for 40 plus years?


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Anthony Vinson

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Reply with quote  #2 
Way back when I pretended to do coin magic I used baking soda and water. Make a paste and use an old toothbrush. Start with a just little paste and brush lightly until you get the patina you're seeking. Works equally well on both silver and brass. Just remember to go slow and brush lightly lest you end up with a mirror finish!!!  
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Intensely Magic

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Reply with quote  #3 
Maybe something like:

https://www.amazon.com/Silver-Polish-Polishing-Cloth-Jewelers/dp/B001U5VLZW/ref=sr_1_1?dd=ASc_V0d_YPk9o4CdYMWopw%2C%2C&ddc_refnmnt=pfod&ie=UTF8&qid=1495576466&sr=8-1&keywords=jewelers+cloth&refinements=p_97%3A11292772011

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luigimar

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Reply with quote  #4 
Some people suggest that if you want to use copper and silver coins together, then one should not clean the copper coins. If you clean them all, the copper coins will end up shining and then they will not contrast with the silver ones. Just keep this in mind. If you want to use copper coins by themselves, then you can go ahead and clean them.
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arthur stead

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Reply with quote  #5 
Thanks for the advice, guys.  Much appreciated!
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Tom G

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Reply with quote  #6 
A number of workers recommend not shining the coppers as at a distance won't look different from a silver/clad coin.
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Rick Holcombe

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Reply with quote  #7 
I use a four-way nail buffer. 

I heard this from someone long ago and I forget now. The first 2 sides are pretty rough/gritty, but the 3rd and 4th sides are meant for really buffing. It does a great job at just hitting the high points on the coin while still leaving some nice patina remaining.

It sounds weird, but works really well and it's quick without any mess or paste.

Rick
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HexTheDoombunny

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Reply with quote  #8 
For copper put them in a cup, pour some table salt over them, and pour in vinegar. Swirl a bit. Rinse. That cleans the coins but doesn't shine them.
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James Sievert

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Reply with quote  #9 
arthur,

I'd like to add something to the baking soda method.

Get an aluminum pan of some sort (Chipotle take out lids work fine/aluminum foil lining a bowl)
Put coins in aluminum container
Liberally add the baking soda
Pour hot (nearly boiling) water over the baking soda and coins.

When the fizzing stops, the coins will be more or less cleaner depending on how well the aluminum reacts with the baking soda and water.

Too much baking soda and there will be left over in the bottom of the pan.

Repeat as needed to get the correct amount of oxidation removal you want.

I've used it on my silver coins and some jewelry. No mishaps yet.

Jim

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arthur stead

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Reply with quote  #10 
Many thanks for additional advice, guys!
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