Toning Good Or Bad? - Coin Community Forum

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Author	Replies: 4 / Views: 1,378
magusxxx Valued Member United States 306 Posts	Posted 07/10/2007 4:50 pm First Off: Sorry, I don't have a scanner yet. A few years ago I bought a slabbed coin from my local dealer. I had stopped collecting coins but he had just opened his shop so I thought I'd have a look around. It was only $10 so I said what the heck and bought it. ANAC 1961 10c PF 65 He was at a loss as to why this coin was slabbed. But hey, it was the first slabbed coin I ever bought so I was happy. Now, three years later I decided to start collecting again and just today I dug it out. To my surprise the dime now has a beautiful aquamarine tone to it. It covers about 90% on the front. While on the back it's just a few spots. So, should I be impressed or worried? Report this Post to the Staff

just carl Bedrock of the Community United States 20753 Posts	Posted 07/10/2007 5:15 pm Worried? That depends. Some like toned coins and many hate them. Some clean coins to get rid of toning and others purposely put coins in places so they will tone. There is even a toned coin web site just for toned coins. So as to worrying. The only thing you should worry about is how is that coin toning. ANAC is not a really big name in slabbing so there may well be leaks allowing air to enter to the coin. The nest problem is where was this stored? Must be a place where there is some type of gas present. From what you discribe yours is a 1961 Roosevelt dime which has Silver in it. 0.9 Silver and 0.1 Copper. So what would make Silver turn blue? Many Silver compounds turn dark blue to black such as the Nitrates. Same with Oxygen. To me this would indicate other types of gasses present. If I were you I wouldn't worry about the coin but I would wonder what type of gases are present where you had it stored. Report this Post to the Staff
coininfo New Member United States 25 Posts	Posted 07/10/2007 5:18 pm All silver coins will tone. Only way to prevent the coin from toning is to have it in an air-tight container, which slabs are not. Nothing wrong with natural toning, actually have run across collectors who like it. Makes the coin look more natural and they feel more comfortable knowing that no one has try to mess with it (clean it). For silver coins, if the toning bothers you, they make special solution to dip the coins in and that is it. No rubbing, polishing, etc. We also tell customers to just bring the coin in for us to look at before they start messing with it. Again nothing to worry about, perfectly natural for silver coins. Report this Post to the Staff
Amazon99 Pillar of the Community United States 2443 Posts	Posted 07/10/2007 5:18 pm Good because toned coins go for more. Report this Post to the Staff
magusxxx Valued Member United States 306 Posts	Posted 07/10/2007 6:21 pm Now that gases has been mentioned this may make sense. Until this past year I had lived in a house which is going on 90+ years. The coin was in a small side table drawer in the living room right above the basement heater. The heater: An old coal burning furnace converted to natural gas. This could mean there was a carbon dioxide/monoxide problem I didn't know about. Report this Post to the Staff
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