Identifying Clad Coins Without Outer Layer

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Author	Replies: 4 / Views: 11,927
RollSeeker Valued Member United States 366 Posts	Posted 08/08/2011 2:36 pm I seem to recall some similar posts in the past, but not a definitive answer. I know it must be tricky, but how can you identify whether a clad coin was struck without its outer layer versus whether it was removed or dirtied later in life? Just a whisp of thought as I pondered upon this dime (which is most likely just environmentally damaged). Report this Post to the Staff

yankee1227 Pillar of the Community United States 1151 Posts	Posted 08/08/2011 2:50 pm One way to tell is to weigh it. Report this Post to the Staff
Jaobler Pillar of the Community United States 6381 Posts	Posted 08/08/2011 2:51 pm Your coin appears to just be corroded on both sides; it's probably not any kind of error. When an outer clad layer is missing from a clad coin the weight will be significantly lower than normal. I don't know what the difference would be for a dime but I have a quarter with a missing clad layer and its weight was down by over 1 gram from the standard value of 5.67 grams (roughly a 20% weight loss). If the same proportion applies I expect a similar error dime would be down about 20% from its standard weight of 2.27 grams, so maybe about 1.8 grams. If the weight is normal or close to normal it can't be a missing clad layer error IMO. Report this Post to the Staff
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 08/08/2011 2:54 pm Other than appearance, weight is the easiest way to find out if a coin is missing a clad layer. A coin can be struck on a planchet missing a clad layer or a layer can peel off after striking. Missing pre-strike will result in a coin with weakly struck details(striking a thinner-than-normal coin) while a post-strike coin will have normal detail on one side with diffuse weakness on the side missing the layer. Removing a clad layer by hand is almost impossible to do without severely damaging the coin, unless the clad layer had already begun to separate naturally. The posted coin suffers from severe corrosion but both clad layers are intact. Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 08/08/2011 6:45 pm Here are a couple: Report this Post to the Staff
	Replies: 4 / Views: 11,927

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