Need Help With A Different 1989 Penny

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Author	Replies: 4 / Views: 1,323
sarahraines New Member United States 2 Posts	Posted 05/28/2016 7:16 pm Ok so here is a 1989 penny that I found and the letters in the word WE TRUST seem to be half missing. I know the penny needs to be cleaned and from what I understand cleaning them is bad, so I apologize for that. Is this just normal wear and tear on the coin. The rim of the coin doesn't seem to be worn off but the letters do. Thanks in advance for any advice. Sarah * Moved by Staff to a more appropriate forum. * Report this Post to the Staff

GoldenChest Pillar of the Community United States 814 Posts	Posted 05/28/2016 8:17 pm It looks like it was Struck Through Grease. Can you post full pic of the front and back? Report this Post to the Staff
sarahraines New Member United States 2 Posts	Posted 05/28/2016 10:16 pm GoldenChest are these pictures better...If not I can try again... Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 05/29/2016 04:45 am to CCF. Looks like a Struck Through Grease to me. John1 Report this Post to the Staff
NoPoMoCo Valued Member United States 403 Posts	Posted 05/29/2016 07:59 am It's a common error that happened during the strike. Mint dies are used to strike hundreds of thousands of blanks at high frequencies. To avoid friction and wear, a type of grease was applied for lubrication. If poorly done, excess grease would get into incuse areas of the die (WE TRUST in your case) and prevent the metal from pushing into those areas during the strike. The mint doesn't like these types of errors but many get through the system. Very recently, they've changed the lubrication process for certain coins, making " Struck Through Grease" errors presumably impossible. Report this Post to the Staff
	Replies: 4 / Views: 1,323

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