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CONECA (pronounced: CŌ´NECA) is a national numismatic organization devoted to the education of error and variety coin collectors. CONECA focuses on many error and variety specialties, including doubled dies, Repunched mintmarks, multiple errors, clips, double strikes, off-metals and off-centers—just to name a few. In addition to its website, CONECA publishes an educational journal, The Errorscope, which is printed and mailed to members bimonthly. CONECA offers a lending library, examination, listing and attribution services; it holds annual meetings at major conventions (referred to as Errorama) around the country.

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Grease Strike Thru's

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  • Shleppodella1
    • May 2024
    • 933
    #1

    Grease Strike Thru's

    Everyone's seen at least one coin with some form of a grease strike thru I'm sure but are grease strike thru's even an error or is it just a by-product of the coin making process per say?
    I know this is relatively minor error if one at all. Is this issue common among SMS's I can't seem to find alot on it please?
    I would also guess that there not worthy of being slabbed due to cost vs value and all that, but are they even worth keeping in general terms at all or is it more drama the better kinda thingy?
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  • MintErrors
    Minterrors.org
    • Jun 2015
    • 3553
    #2
    In my opinion, yes it looks like a partially filled die on some of the letters the B is more pronounced than the R. The year on these coins dont matter in respect to the common errors/issue.

    Heck, the B could be a slighly over abraded die where the R might be a partially filled letter with some sort of debris like grease and metal chips.

    The more dramatic errors would bring a higher premium on one year type coins like the Bi-Centennial, maybe some particular proof coin years and business strike years with low error population numbers.

    Both those letters, the B and the R are in the same general area/zone of the coin. Its difficult to know what exactly happened.

    What ever it truly is, I agree, it is rather minor. Typical one coin submission costs can easily exceed 50 bucks per coin. There are specials deals and insider style discounts which might lower a 10-plus coin submission down to 25 bucks per coin. In my opinion, unless the estimated average value of a coin can exceed the cost by 4x or more, it might be a risky move to send it in and get some sort of return on investment. Values of the coin(s) are typically determined between two people and they can change drastically between regions, people, drama on the coin and its condition.

    Additionally, things closer to the rim of a coin may have a harder time detecting it in a holder. Sometimes the rings, coin slab peg or slab slot holder can obstruct the view. Take a look at any newer slabbed quarter photos on line to see if the holder will possibly obstruct the view of the error.
    Gary Kozera
    Website: https://MintErrors.org

    Comment

    • Shleppodella1
      • May 2024
      • 933
      #3
      I never thought of the slab blocking viewing of the error on the coin. I guess that's why I come to this site.

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