Delamination - Coin Community Forum

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Author	Replies: 4 / Views: 4,477
JohnAP Valued Member United States 245 Posts	Posted 05/26/2008 2:20 pm I have heard this term before, but haven't ever actually seen it. Going through my Mercury dime album updating, I ran across this: I'm kinda puzzled about how a 90% silver coin can "delaminate"? Or am I wrong all together and it's something else? How does it affect the value of the coin? Report this Post to the Staff

KurtS Pillar of the Community United States 5318 Posts	Posted 05/26/2008 2:43 pm Wow, that's a nice example! I think this occurs when a bubble or defect in the coin stock metal is rolled out and stretched into a longer layer of weakness that will sometimes delaminate further upon striking. I have a few coins where a piece of the planchet actually falls off. Report this Post to the Staff
JohnAP Valued Member United States 245 Posts	Posted 05/26/2008 2:56 pm Thanks KurtS. Now it's decision time...... I only have 2 1929 Ps, and this is by far the better of the 2. Do I put this one in the #1 set, and the other in the #2 set, or vice versa? Report this Post to the Staff
nlp coins Pillar of the Community United States 2373 Posts	Posted 05/27/2008 07:42 am I have one of those examples also. This one is more pronounced than mine where it stretches through the coin. It appears there may have been an impurity in the base metal subsurface prior to striking and time and mother nature take care of the rest. Report this Post to the Staff
CuprousCoin Valued Member United States 226 Posts	Posted 05/28/2008 10:01 am I have seen several nickels with this type of planchet flaw, but never a merc. does this effect grade/value ? Report this Post to the Staff
	Replies: 4 / Views: 4,477

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