1958 Quarter What Happened To It ? - Coin Community Forum

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Author	Replies: 10 / Views: 1,448
uruman Pillar of the Community United States 5193 Posts	Posted 02/05/2016 08:52 am it's weight is 6.3 Edited by uruman 02/05/2016 08:53 am Report this Post to the Staff

John1 Moderator United States 56855 Posts	Posted 02/05/2016 09:54 am Classic acid dip coin. John1 Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 02/05/2016 11:07 am I've seen rock tumblers result in that type of surface as well. Report this Post to the Staff
Buddy Rest in Peace United States 7075 Posts	Posted 02/05/2016 11:09 am John1, I will defer to your expertise but I would have guessed the coin had heat/fire damage. Is there a way to spot the difference? Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 02/05/2016 1:07 pm If it was heat I would think it would be a different color like black maybe but I don't really know. John1 Report this Post to the Staff
uruman Pillar of the Community United States 5193 Posts	Posted 02/05/2016 1:25 pm If it is acid , what kind of acid would you say they used? Report this Post to the Staff
TypeCoin971793 Pillar of the Community United States 6370 Posts	Posted 02/05/2016 1:31 pm HCL, HNO3, or H2SO4 are possible cabdidates. They all react with silver. My first thought was HNO3 because that can be used to make silver nitrate, or AgNO3. The actual chemists on this forum may correct me... Report this Post to the Staff
Halo1st Pillar of the Community United States 2775 Posts	Posted 02/05/2016 4:36 pm The thing I'm (not) seeing is no weight loss that's usually associated with acid. Blow torch may be viable. Thanks, Doug. Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 02/06/2016 04:21 am Yes, I was thinking that if it was acid there should be a reduction in weight and if it was a rock tumbler or heat there would be little to no weight reduction. John1 Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 02/06/2016 10:34 am Also the reeds on the edge would be present and strong. They are weakened from the acid bath. Report this Post to the Staff
uruman Pillar of the Community United States 5193 Posts	Posted 02/06/2016 10:38 am thanks everybody for the information on what happened on it. Report this Post to the Staff
	Replies: 10 / Views: 1,448

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