Newer Clad Coins: Is It Just Me...?

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Author	Replies: 9 / Views: 1,189
n9jig Pillar of the Community United States 997 Posts	Posted 01/17/2017 09:51 am It seems to me that on the edges of newer clad coins that the copper is much more prominent on newer coins, especially quarters and halves. On older coins the silver colored nickel alloy seemed to cover more of the edge but newer coins one sees very little of the outer clad. I wonder if this is caused by some different processes used in manufacturing. Perhaps I am crazy and just imagining it... Report this Post to the Staff

cladking Pillar of the Community United States 2270 Posts	Posted 01/17/2017 10:39 am It's most probably improved die steels and sharper blanking dies. Metal is smeared over much of the edge by the blanking dies. Time don't fly, it bounds and leaps. Report this Post to the Staff
cladking Pillar of the Community United States 2270 Posts	Posted 01/17/2017 10:41 am Clad has changed quite a bit over the years. In early days the three sheets were forced together in an hydraulic press and then dynamite detonated above them to complete the bonding. Now days there is steel strong enough to just roll them together. Time don't fly, it bounds and leaps. Report this Post to the Staff
TheForce Pillar of the Community United States 4867 Posts	Posted 01/17/2017 11:24 am I don't care much for the newer clads. I find the relief on the quarters to be too low and I could easily see them wearing out much faster than their high relief counterparts. Maybe I am the only one but I miss Washington's spaghetti hair...made the coin have character. Report this Post to the Staff
ikeyPikey Rest in Peace United States 233 Posts	Posted 01/17/2017 11:28 am Quote: ... and then dynamite detonated above them ... Q/ The pressure wave from the explosion did not vary too much from point-to-point on the sheet? I would have thought that a compressed-air-powered plate would have done the trick; easier to predict, easier to control, easier to clean up. Cheers, /s/ ikeyPikey Report this Post to the Staff
nss-52 Moderator United States 54280 Posts	Posted 01/17/2017 2:26 pm From whom does the mint buy clad metal sheets? Show your financial support of the Coin Community Family (click here) See my topic on Mexican Numismatic Medals (click here) Report this Post to the Staff
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 01/17/2017 3:08 pm Olin Corporation holds the patent on cupronickel trilayer clad metal. I am fairly certain that they also supply the manganese-brass clad for the golden dollars as well. Report this Post to the Staff
jbuck Moderator United States 187950 Posts	Posted 01/17/2017 3:13 pm More information... http://www.olinbrass.com/about-olin-brass/history Look at 1965 and 1999 in particular. Coin Collector Since 1978 Avatar Old Avatar 7070 Eisenhower Australia Canada World CCF Members on eBay CCF eBay Search Engine Report this Post to the Staff
cladking Pillar of the Community United States 2270 Posts	Posted 01/17/2017 4:35 pm Quote: Q/ The pressure wave from the explosion did not vary too much from point-to-point on the sheet? I would have thought that a compressed-air-powered plate would have done the trick; easier to predict, easier to control, easier to clean up. They had a lot of problem with the coins separating into layers in the early days. It's quite likely that those near the edge of the sheets were more likely to fall apart. Time don't fly, it bounds and leaps. Report this Post to the Staff
Debrajc Pillar of the Community United States 4211 Posts	Posted 01/17/2017 5:51 pm Thanks for the link jbuck. I enjoyed the tour of the factory. Report this Post to the Staff
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