Grandma's silverware is going to get a different price from vintage rounds/bars or ases or low grade 90% silver coins For a moment, lets take the whole arguement about whether or not dipping/soaking the coins is necessary, and focus just on the actual procedure. Unless there's some additional collectible value, any shop is going to pay a little back of spot and sell for a little premium over spot.
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Toning on silver coins appears through something known as thin film interference of a layer of silver sulfide (ag2s) on the surface of the coin
This silver sulfide is formed when the silver alloy reacts with hydrogen sulfide (h2s) in the atmosphere
Often, heat and humidity hasten this process. Here's some of these silver gaming tokens that are 60% silver, i'm wondering how much they actually sell for I've looked on ebay but prices are all. A guide to foreign silver coins discussion in ' coin chat ' started by bkozak33, jun 10, 2012.
It doesn't progress from there Beyond that, all judgments regarding toning are subjective Silver is a noble metal and has good resistance to corrosion by acids, especially a weak acid like citric acid Tough to do on a good silver denarius, but low silver content coins and alexandrian tetradrachms with silver can get a little porous if too much lemon juice is on them or for too long
It's happened to me over the years.
Silver loss from wear on 90% silver coins (calculation) discussion in ' us coins forum ' started by wingedliberty, dec 11, 2010. I have seen several different threads and posts concerning the use of acetone to help clean and conserve coins, but i havent seen any sort of agreed upon procedure for using acetone
