2007 D Lincoln Memorial Penny - Coin Community Forum

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Author	Replies: 4 / Views: 922
dukem7 New Member United States 2 Posts	Posted 07/01/2017 10:17 am Hello, I'm new to coincommunity.com and am soliciting advise on a 2007 D Lincoln Memorial penny. On the reverse, I see a distinct set of lines that are similar to the stairs on the Lincoln Memorial. Please view photos. Any help would be gratefully appreciated. Report this Post to the Staff

CoinMasters Pillar of the Community United States 5964 Posts	Posted 07/01/2017 11:15 am They look like Linear Plating Bubbles to me. Gas trapped under the plating. Should smash flat when pressed. Report this Post to the Staff
OldJoeClark Pillar of the Community United States 1260 Posts	Posted 07/01/2017 11:34 am and with CoinMasters Report this Post to the Staff
Crazyb0 Rest in Peace 10197 Posts	Posted 07/01/2017 4:06 pm to the forum! Wow, you found a "shiny" Zincoln TEN years after minting...saw very, very few of his "brother's" in same shape in last box...sad. Liner Plating bubbles are formed when the thin copper plate is applied to the zinc blank. Gasses and other elements get trapped and then chemically react to cause what is known as "zinc rot", the powderizing of zinc. Report this Post to the Staff
dukem7 New Member United States 2 Posts	Posted 07/01/2017 5:42 pm Greetings, Thank you all for imparting your knowledge. Respectfully, dukem7 Report this Post to the Staff
	Replies: 4 / Views: 922

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