What Made This Penny So Thin! - Coin Community Forum

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Author	Replies: 12 / Views: 4,092
jsbruton Valued Member United States 271 Posts	Posted 05/30/2013 2:49 pm This is a penny I found in in some of the coins I got from my father. why is this cent so thin, I have an idea but that's all. Your opinion would be welcome. Report this Post to the Staff

seal006 Pillar of the Community United States 1915 Posts	Posted 05/30/2013 2:56 pm ACID. It looks like it was a science experiment. Report this Post to the Staff
chequer Pillar of the Community Canada 4227 Posts	Posted 05/30/2013 3:05 pm Looks like it was exposed to an acid bath. Report this Post to the Staff
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 05/30/2013 3:12 pm chemical erosion Report this Post to the Staff
Nathancrh1 Pillar of the Community Canada 785 Posts	Posted 05/30/2013 3:46 pm What is the diameter of the coin? (A picture beside a normal penny would be helpful.) Also what is the weight of the coin? Report this Post to the Staff
7TF Pillar of the Community 743 Posts	Posted 05/30/2013 4:15 pm This one looks interesting. How can an Acid bath make a coin thinner and not dissolve the details? Report this Post to the Staff
jsbruton Valued Member United States 271 Posts	Posted 05/30/2013 4:17 pm That's what I was thinking was acid. Whoever did it did a good job, but the back gives it away. Report this Post to the Staff
jsbruton Valued Member United States 271 Posts	Posted 05/30/2013 4:20 pm 7TF it takes everything down evenly so the coin still has it's characteristics. Report this Post to the Staff
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 05/30/2013 4:28 pm The detail is preserved because the metal is equally eroded throughout the coin. This coin will have a smaller diameter(notice that the rim is the first major design element to disappear) and will be lighter than a normal coin. The design is being dissolved(notice the thinning and blurring of the devices) but the fields are being equally dissolved as well so the effect is that the coin simply gets thinner while preserving most of the design. Report this Post to the Staff
jsbruton Valued Member United States 271 Posts	Posted 05/30/2013 4:41 pm It's bigger than a dime and smaller than a penny. Edited by jsbruton 05/30/2013 4:42 pm Report this Post to the Staff
bpoc1 Rest in Peace United States 4078 Posts	Posted 05/30/2013 4:43 pm Quote: it takes everything down evenly so the coin still has it's characteristics. This was my first question How? From the time it took me to type in. The answer appears Thanks you guys and gals. Report this Post to the Staff
Nathancrh1 Pillar of the Community Canada 785 Posts	Posted 05/30/2013 6:03 pm Ya it probably was in some sort of acid, all sides of the coin have been eaten away a little. Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 05/31/2013 01:24 am Seems to be a common find in circulation. Been discussed here and now most seem to know what it is. Good job everyone! Report this Post to the Staff
	Replies: 12 / Views: 4,092

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