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difference between silver tarnish and silver toning?
derryb
Posts: 36,217 ✭✭✭✭✭
One is pretty and colorful and one is usually not.
Why do we not just call black tarnishing what it is when it comes to silver coins? After all we call it tarnish when it appears on other forms of silver.
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AFAIK, some do. When the tarnish, oxidation, surface corrosion, (whatever you call it - I don't keep the chemical description in my mind) is attractive or market acceptable it is called toning.
When it is unattractive it is called tarnish, environmental damage, corrosion, etc.
A big problem occurs at end stage toning when the surface is black. A while back there was a heated discussion of this. Many beautiful rainbow specimens have reached this stage at their edge. Black "toning" is corrosion. If a rainbow is dipped, the surface should go back to "white" with the exception of the corroded area (usually the rim). This area appears gray due to the lost and etched original surface. Occasionally, with certain coins, professional conservation can "fix" this enough to make the corroded surface "acceptable."
Eagerly awaiting Ricko's reply...
Did ricko hijack darryb's account?
@cmerlo1 said: "Eagerly awaiting Ricko's reply..."
?? Do you have an opinion on the OP's question?
Edit Added: Ahhhhhhh! How about you Chris?
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Tarnish = bad looking
Toning = good looking
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My opinion is that the word tarnish doesn't apply to coins. We call it toning and it has varying degrees. Pretty simple stuff.
I have seen tarnish on my wife's silverware that would have looked good on a coin.
@CascadeChris said: "My opinion is that the word tarnish doesn't apply to coins. We call it toning and it has varying degrees. Pretty simple stuff."
I disagree. Many beginning collectors - especially the females who are finicky about the appearance of their household silver - call toned coins (especially the dark, blue and violet ones) tarnished. Last weekend my wife polished away the most beautiful tarnish from some silver pieces in spite of my pleading.
Some degrees of toning is environmental damage, a "pretty simple" way of saying a coin is corroded beyond help.
Coin or bullion collectors: Toning
The rest of the world: Tarnish
Tarnish
Yes, and also toning, right Chris?
Let's just call it a patina instead.
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"Numismatic categorizations, if left unconstrained, will increase spontaneously over time." -me
Easy...
Silver tarnish is when silver needs a cleaning
Silver toning is when it doesn't
Tarnish can ruin a coin. Toning can save it.
When buying: Tarnish.
When selling: Toning.
Toning is tarnish. We numismatists just give it a better name and find some of it to be attractive when it's on coins.
To a chemist or metallurgist, there is no difference. Corrosion = toning = tarnish = environmental damage.
To a numismatist, corrosion = environmental damage, toning = more $$, and tarnish = less $$.
To a coin doctor, corrosion or environmental damage = more $$.
Got it?
Silverware tarnishes....Silver coins tone. I have never seen pretty toning on silverware. It's probably the difference in the composition.
Wrong... Toning
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Tarnish or toning, in the end it's all oxidation.
All tarnish, whether attractive (to some collectors) or not, is environmental damage. That is scientific, metallurgical fact. The term 'toning' was introduced to give the damage a softer, more marketable title. Initially, it was deemed to indicate a 'virgin' surface... soon, collectors began to learn this was not necessarily true. However, the hype continued, and new collectors were 'trained' to believe that this was not only acceptable, but desired. Enter the profit seekers (normally termed coin doctors) and the market grew, as did the premiums. Along with this phenomenon came the battle over AT or NT. This was seen as a challenge by the coin doctors.... and methods were derived to tarnish coins quickly and - in many cases - totally undetectable - I know, I have done it (never sold one). So, it continues... prices are marked up - and paid - for environmentally damaged coins....because they are 'pretty'... The only differences between tarnish and toning is appearance and price. You pay your money and take your chance. Cheers, RickO
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