1974 P Quarter Missing Clad Strip Or PMD? - Page 2

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Author	Replies: 25 / Views: 2,324	Page: of 2

Deecoinguy Valued Member United States 59 Posts	Posted 09/21/2022 01:53 am can someone explain to me when they get time about the process of cleaning what is allowed and what is not allowed because I have a coin I really need help a nickel but has a stain on back I wanted to remove first but heard you should never clean coins acetone doesn't count? also how do you respond to a person an answer to a question in a group post if he leaves it Report this Post to the Staff
silviosi Pillar of the Community Canada 6244 Posts	Posted 09/21/2022 02:09 am @DECOIN The best for Nickel it is boric acid boiled at 40% acid. Sure if you shrub you will damage, but you do not want so after boiling for a 2-5 min (depending of condition) you soak or past in very hot water and job is done. Personally I dry with pression air. Acetone on cooper change the color. Silver will be more flat or mat, the gold will change in reddish. When I look at a coin I can say if was acetone bath in a few seconds. I do not personally consider restoration this, just damage because long term will show. Very old folks. Edited by silviosi 09/21/2022 02:14 am Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 09/21/2022 06:17 am As a general rule:do not clean coins unless you know what you are doing. Practice on a lot of junk coins first. John1 Report this Post to the Staff
CRHunting Valued Member United States 172 Posts	Posted 09/21/2022 10:42 am Sorry for the picture confusion. Here you go: Report this Post to the Staff
Cujohn Pillar of the Community United States 7174 Posts	Posted 09/21/2022 7:23 pm Distilled water and acetone are the only accepted method of (cleaning) coins. And Verdi care for copper. You can kind of see a little copper flakes mixed in the nickel. Still going to say copper filling in a gap in the nickel layer. Report this Post to the Staff
CRHunting Valued Member United States 172 Posts	Posted 09/21/2022 11:18 pm Yeah I noticed that too. There's copper showing through the rim on both sides exactly where that copper streak would be if it kept going through the rim. Great call on asking for edge images. I'm now leaning more toward this being an actual mint error. Report this Post to the Staff
Dearborn Moderator United States 98107 Posts	Posted 09/21/2022 11:33 pm I may have to tentatively agree with this being an error with the cladding. Collecting since 1972. Learning from then on "Tell me and I forget. Teach me and I remember. Involve me and I learn." - Benjamin Franklin 7070 type set coin count: 51/76 Uncirculated American Silver Eagles My American Silver Eagle Proof Collection Sacagawea Dollars Innovation Dollars Eisenhower-Dollars Kennedy-Half Dollars Washington-Quarters Roosevelt-Dimes Buffalo-Nickels 1938-2005 Jefferson-Nickels Lincoln-Cents Report this Post to the Staff
Petespockets55 Pillar of the Community United States 5797 Posts	Posted 09/22/2022 12:12 am Thanks for the extra images. IMHO, it does look promising but this is probably one that would need to be sent in to someone for an in-hand look. The difference between damage and error can be subtle. Words of encouragement are one of the major food groups. We need to consume them regularly to thrive and grow. Report this Post to the Staff
silviosi Pillar of the Community Canada 6244 Posts	Posted 09/22/2022 10:31 pm If was Mint error of missing clad, the rim will not has Ni. In the West we see many of those. Apparently was done in Oregon. Report this Post to the Staff
mikediamond Pillar of the Community United States 2740 Posts	Posted 09/23/2022 10:43 am As silviosi correctly concluded, this is a stain. Error coin writer and researcher. Report this Post to the Staff
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