Four Jefferson Nickels With Lamination

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Author	Replies: 10 / Views: 1,152
nick10 Pillar of the Community United States 3207 Posts	Posted 02/21/2019 1:47 pm in order they are 1946, 1947, 1948, and 1964 Report this Post to the Staff

Errers and Varietys Bedrock of the Community United States 74960 Posts	Posted 02/21/2019 2:04 pm You're correct. Very nice Laminations! Errers and Varietys. Report this Post to the Staff
fioti Pillar of the Community United States 4212 Posts	Posted 02/21/2019 2:56 pm I've never seen it on a '64, to that extent. Nice find! Report this Post to the Staff
CoinHunter27 Pillar of the Community United States 5887 Posts	Posted 02/21/2019 2:57 pm Very nice '64. Probably the most major one you have there. Congrats! -CH27 Collector of U.S. Coins, Varieties, and Colonial Coinage Report this Post to the Staff
GrapeCollects Pillar of the Community United States 8939 Posts	Posted 02/21/2019 3:14 pm all great examples! Report this Post to the Staff
nick10 Pillar of the Community United States 3207 Posts	Posted 02/21/2019 3:37 pm Thanks for the comments. Are laminated areas usually straight across because the metal was rolled in straight lines before planchets were punched out? Report this Post to the Staff
Coinfrog Bedrock of the Community United States 94367 Posts	Posted 02/21/2019 3:51 pm Nice lot, and good question! Report this Post to the Staff
GrapeCollects Pillar of the Community United States 8939 Posts	Posted 02/22/2019 1:36 pm No nick10, it's when impurites get trapped in the metal and move to the surface Report this Post to the Staff
nick10 Pillar of the Community United States 3207 Posts	Posted 02/22/2019 3:24 pm Sounds reasonable, but then the question becomes why do such impurities get trapped along the typical straight line of a lamination? Report this Post to the Staff
Halo1st Pillar of the Community United States 2775 Posts	Posted 02/22/2019 4:06 pm Quote: Sounds reasonable, but then the question becomes why do such impurities get trapped along the typical straight line of a lamination? My thinking is it typically follows a line, but not always, So called impurities and or poor alloy mix may start out as a puddle. When placed under a ton or several tons of pressure, the material will flow/spread forward or ahead, with each pass of the stock material during the rolled stock reduction process, while trying to achieve proper thickness for the blanking process. Thanks, Doug. Report this Post to the Staff
cookiemonster Pillar of the Community United States 1335 Posts	Posted 02/22/2019 8:34 pm Report this Post to the Staff
	Replies: 10 / Views: 1,152

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