1981 Penny Struck Through Grease - Coin Community Forum

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Author	Replies: 5 / Views: 2,825
CanadianCollector Valued Member Canada 306 Posts	Posted 10/31/2012 12:34 am I found this a few weeks ago while rolling coins out of a donation bin. It appears to have been Struck Through Grease. I have no idea why the colour on the photos is weird. The coin appears a normal trace red color in hand. Report this Post to the Staff

DBM Pillar of the Community Canada 9867 Posts	Posted 10/31/2012 02:36 am PMD most likely. "Dipping" is not considered cleaning... -from PCGS website Report this Post to the Staff
SPP-Ottawa Moderator Canada 10463 Posts	Posted 10/31/2012 08:41 am Looks like a coin that was at the end of a roll, of an industrial coin rolling machine.... "Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search." -- J. Robert Oppenheimer Content of this post is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. See: http://creativecommons.org/licenses...0/deed.en_US My eBay store Report this Post to the Staff
CanadianCollector Valued Member Canada 306 Posts	Posted 10/31/2012 1:04 pm The mark on the coin is not perfectly round. This photo shows it a little better. Could PMD from a rolling machine or a similar device leave a mark that is not uniformly round? Report this Post to the Staff
DBM Pillar of the Community Canada 9867 Posts	Posted 10/31/2012 3:38 pm Coin rolling machine is only one possibility,no matter,the raised ridges with no adjacent weakness indicate displaced metal,definitely PMD. "Dipping" is not considered cleaning... -from PCGS website Report this Post to the Staff
enworb Pillar of the Community Australia 4411 Posts	Posted 10/31/2012 8:37 pm I reckon a coin rolling machine or a small drill. Without doubt PMD. Report this Post to the Staff
	Replies: 5 / Views: 2,825

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