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Thread: What is on this Merc?

  1. #1
    Elite Member CODY's Avatar
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    What is on this Merc?

    Hi folks, got a question. This is a 35 Merc I found yesterday. In the first picture notice how dark gray it is. The coin was found flat up against an old sidewalk about 4 inches down. Got it home and started to try to clean it. Started with water and a toothbrush. Added liquid soap. Nothing. Added barkeepers friend,(I know, I know) Nothing. Finally let it soak in Goddards Silver Dip. This started to turn the gray into a sticky oily greasy mess. With several soakings, toothbrush, and barkeepers friend, was finally able to get the gray removed. Found that the back was pretty much toast. Do you think this dime could have been dropped when the concrete was wet? I have no clue. Thanks
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  2. #2
    Administrator del's Avatar
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    Re: What is on this Merc?

    it could of been just about anything to make that dime look that way , sometimes when they mix cement they put chemicals to help it set up faster like calcium carbonate . of over the years maybe they had put on a chemical ice melter to keep the sidewalk ice free , it definately looks like it was exposed to something harmful over the years Cody. just be thankful it wasn't a key date .

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  3. #3

    Re: What is on this Merc?

    I found one similar to that next to a sidewalk. I thought maybe the salt they put down when it gets icy must have somehow corroded it. It's just a theory though.
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  4. #4
    Elite Member CODY's Avatar
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    Re: What is on this Merc?

    Quote Originally Posted by DaddyDigger link=topic=8608.msg97122#msg97122 date=1326839012
    I found one similar to that next to a sidewalk. I thought maybe the salt they put down when it gets icy must have somehow corroded it. It's just a theory though.
    But down here they don't use salt. Very seldom we get enough ice to worry about. And when we do, its gone before anyone does anything about it.
    2013 28 Silvers
    2014 6 Silvers, 10 Wheats
    Oldest coin 1899 Barber Quarter
    Fisher F75 LTD, Garrett ProPointer, Springfield 1911
    “Carpe diem, quam minimum credula postero”……HORACE

  5. #5

    Re: What is on this Merc?

    acid from concreat can cause that,as well as the acid from burn'ed coal will do that too.
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