View Full Version : Cleaning Bullion Grade Silver Coins!
ozcopper
29th May 2012, 10:16 PM
Here are a couple of videos I just made, hope you like them! Is cloudy amonia and Bi-Carb Soda known by these names outside of Australia?
http://www.youtube.com/watch?v=WxqNzT4AClU
http://www.youtube.com/watch?v=1YZCboiREXc
Glass
29th May 2012, 11:31 PM
Thanks Ozcopper. I cracked open a container of walking liberties to find they have turned pink. I have to say I don't know what to do with them.
General question to peeps here. Would it be acceptable to give them a clean like this?
horseshoe3
4th June 2012, 06:47 AM
Thanks for the videos, Ozcopper.
I've also seen that silverware polish is very temporary in its effects. Is your method also suitable for silver or silver-plated utensils?
As a side note for us yanks, bi carb soda is baking soda and cloudy ammonia is simply ammonia in the states.
Silver Rocket Bitches!
4th June 2012, 10:40 AM
I've always used baking soda and some warm water but never tried the ammonia. Thanks for posting.
mamboni
4th June 2012, 11:40 AM
Ammonia will etch the surface of silver, creating tiny crevises and pores that accumulate ambient sulfur dioxide gas, causing the progressive powderization of the surface and dulling of fine numismatic details. Coin cognescenti refer to an ammonia-treated coin as one that has been "pissed on."
ximmy
4th June 2012, 11:48 AM
Ammonia will etch the surface of silver, creating tiny crevises and pores that accumulate ambient sulfur dioxide gas, causing the progressive powderization of the surface and dulling of fine numismatic details. Coin cognescenti refer to an ammonia-treated coin as one that has been "pissed on."
Now that you've pissed all over his thread how about a viable alternative?
mamboni
4th June 2012, 11:52 AM
Now that you've pissed all over his thread how about a viable alternative?
There is none. Never clean a bullion coin unless you want a shiney clean one of diminished value.
ximmy
4th June 2012, 11:54 AM
There is none. Never clean a bullion coin unless you want a shiney clean one of diminished value.
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mamboni
4th June 2012, 11:56 AM
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At least the smilies work for you dammit! I can't get get one little crappy smilie to stick to my replies. This really sucks hairy baboon balls.
Neuro
4th June 2012, 12:31 PM
I used to clean my coins with tooth paste and cloth. I used fluoridated tooth paste left by friends visiting...
mamboni
4th June 2012, 12:42 PM
I used to clean my coins with tooth paste and cloth. I used fluoridated tooth paste left by friends visiting...
Many toothpastes contain abrasives. You people who clean your coins are foolhardy. It's akin to stamp collectors licking their plate blocks, only worse.
gunDriller
4th June 2012, 01:33 PM
Many toothpastes contain abrasives. You people who clean your coins are foolhardy. It's akin to stamp collectors licking their plate blocks, only worse.
there are times when one just has to clean one's silver.
i have an APMex 1 ounce bar that is beautiful (because it's silver) and poorly made. it has a sharp burr around the edges, where the metal sort of got pinched or something when it was stamped.
anyway, it comes in very handy for - scratching poison oak.
the problem with using a silver bar for scratching poison oak is - it does get dirty. poison oak slime etc.
does a great job of making the itch go away though !
whether or not your bullion is covered with poison oak slime, i would just use a toothbrush & some Apple Dawn dishwasher soap. then dry afterwards.
mamboni
4th June 2012, 02:12 PM
there are times when one just has to clean one's silver.
i have an APMex 1 ounce bar that is beautiful (because it's silver) and poorly made. it has a sharp burr around the edges, where the metal sort of got pinched or something when it was stamped.
anyway, it comes in very handy for - scratching poison oak.
the problem with using a silver bar for scratching poison oak is - it does get dirty. poison oak slime etc.
does a great job of making the itch go away though !
whether or not your bullion is covered with poison oak slime, i would just use a toothbrush & some Apple Dawn dishwasher soap. then dry afterwards.
Big difference between coins and bars vis-a-vis negative effects of cleaning on numismatic value: clean your bars ad libitum. The bar is worth it's content of metal, irregardless of fit and finish.
Neuro
5th June 2012, 03:03 AM
Big difference between coins and bars vis-a-vis negative effects of cleaning on numismatic value: clean your bars ad libitum. The bar is worth it's content of metal, irregardless of fit and finish.
I wouldn't clean anything I imagined having numismatic value. Nowadays I am just to lazy to clean the coins anyway...
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