Keith Posted February 7, 2021 Share Posted February 7, 2021 What is, if we should, get the dark crust from an old liberty dime to determine date and other details. No scrubbing with steel wool? Acids? Thank you in advance here at this forum for any help you can give. 1 Link to comment Share on other sites More sharing options...
dogodog Posted February 7, 2021 Share Posted February 7, 2021 I shine a flashlight across the surface under magnification, That can help in some cases. The shadowing will bring out more detail. But sometimes your just stuck without a date. Good Luck!!! 1 Link to comment Share on other sites More sharing options...
Joe D. Posted February 7, 2021 Share Posted February 7, 2021 Sulfides really eat up silver! Generally cleaning a crust like that off will take away even more detail! Electrolysis may improve the readability! But don't count on it! On the plus side, as a special find, it has value as is! Intrinsically, it's beyond any value beyond the silver weight! But there may be more like it, where that one was found! Hopfully in better condition! Nice find!! Keep up the hunt!!?? 3 Link to comment Share on other sites More sharing options...
Steve Herschbach Posted February 8, 2021 Share Posted February 8, 2021 Lots of cleaning tips in these threads: Cleaning & Selling Threads I'd be surprised if you get a date out of that one, however, pretty well toasted. But it's silver! Link to comment Share on other sites More sharing options...
kac Posted February 8, 2021 Share Posted February 8, 2021 Possible to toss it in a tumbler and might shake off some of the corrosion. Make sure your using a non abrasive media or something softer than the silver like walnut shell. Burnishing media does a good job. Also use a tumbling soap for jewlery. Link to comment Share on other sites More sharing options...
FloridaSon Posted February 13, 2021 Share Posted February 13, 2021 The flashlight trick above often works and sometimes slightly dampen the surface. Change the angle of the coin. Magnify. Finally, try looking at it upside down. I know, but it has helped once in a while. HH Link to comment Share on other sites More sharing options...
Rick N. MI Posted February 13, 2021 Share Posted February 13, 2021 Soak it overnight in hydrogen peroxide. Just put some in a cap and put the coin it. If that doesn't work the last resort would be electrolysis. I found a coin at a railroad station that was solid black. I did electrolysis on it and found out it was a Barber quarter. Wasn't any good only for silver but was nice to know I found a Barber quarter. Link to comment Share on other sites More sharing options...
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