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I assume this won't come off a Steel cent...

PeacemanPeaceman Posts: 5,098
in U.S. Coin Forum
Looks like water spots on a silver dollar....

image

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    savoyspecialsavoyspecial Posts: 7,367 ✭✭✭✭
    Steel wool will take it right off image


    Nah, it's toast

    www.brunkauctions.com

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    lasvegasteddylasvegasteddy Posts: 10,492 ✭✭✭
    never had a steelie to know or pass advice on if it is possible
    everything in life is but merely on loan to us by our appreciation....lose your appreciation and see


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    Tdec1000Tdec1000 Posts: 3,852 ✭✭✭
    It is the beginning of corrosion.
    Awarded the coveted "You Suck" Award on 22 Oct 2010 for finding a 1942/1 D Dime in silver, and on 7 Feb 2011 Cherrypicking a 1914 MPL Cent on Ebay!

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    LanceNewmanOCCLanceNewmanOCC Posts: 19,999 ✭✭✭✭✭
    .
    i've never messed with conserving steelies, but i get the impression they have one of the most fragile coin surfaces

    and when disturbed pretty much ruins em
    .

    <--- look what's behind the mask! - cool link 1/NO ~ 2/NNP ~ 3/NNC ~ 4/CF ~ 5/PG ~ 6/Cert ~ 7/NGC 7a/NGC pop~ 8/NGCF ~ 9/HA archives ~ 10/PM ~ 11/NM ~ 12/ANACS cert ~ 13/ANACS pop - report fakes 1/ACEF ~ report fakes/thefts 1/NCIS - Numi-Classes SS ~ Bass ~ Transcribed Docs NNP - clashed coins - error training - V V mm styles -

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    LindeDadLindeDad Posts: 18,766 ✭✭✭✭✭
    Well when I was a kid it would buy a jawbreaker now it won't buy anything.
    image
    My Current project....https://www.pcgs.com/setregistry/mysetregistry/album/160794
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    JRoccoJRocco Posts: 14,277 ✭✭✭✭✭
    I believe those are moisture spots that have begun the process of returning the coin to the earth.
    Some coins are just plain "Interesting"
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    drwstr123drwstr123 Posts: 7,053 ✭✭✭✭✭
    Looks like zinc-oxide.
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    CoinosaurusCoinosaurus Posts: 9,652 ✭✭✭✭✭


    << <i>
    i've never messed with conserving steelies, but i get the impression they have one of the most fragile coin surfaces
    >>



    That's funny, you'd think steel would be real durable.

    Gold is softest but seems to "conserve" incredibly well in some cases.

    I guess it's more about susceptibility to corrosion, not how hard it is.
    Newman Numismatic Portal, www.NewmanPortal.org
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    savoyspecialsavoyspecial Posts: 7,367 ✭✭✭✭
    >>That's funny, you'd think steel would be real durable.>>


    oh, the steel is fine.....what you are seeing is happening to the zinc

    www.brunkauctions.com

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    messydeskmessydesk Posts: 20,751 ✭✭✭✭✭
    The zinc is corroding. Also has rust by the top right of the 9. Not salvageable.

    Were I to buy a steel cent, I'd make sure it was spot-free and in a holder at least 10 years old (i.e., stable).
    John
    Keeper of the VAM Catalog • Professional Coin Imaging • Prime Number Set • World Coins in Early America • British Trade Dollars • Variety Attribution
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    WoodenJeffersonWoodenJefferson Posts: 6,491 ✭✭✭✭
    ~aaaaaaaaachoo~
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    LanceNewmanOCCLanceNewmanOCC Posts: 19,999 ✭✭✭✭✭


    << <i>>>That's funny, you'd think steel would be real durable.>>
    oh, the steel is fine.....what you are seeing is happening to the zinc >>


    sounds right to me
    .

    <--- look what's behind the mask! - cool link 1/NO ~ 2/NNP ~ 3/NNC ~ 4/CF ~ 5/PG ~ 6/Cert ~ 7/NGC 7a/NGC pop~ 8/NGCF ~ 9/HA archives ~ 10/PM ~ 11/NM ~ 12/ANACS cert ~ 13/ANACS pop - report fakes 1/ACEF ~ report fakes/thefts 1/NCIS - Numi-Classes SS ~ Bass ~ Transcribed Docs NNP - clashed coins - error training - V V mm styles -

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    cladkingcladking Posts: 30,038 ✭✭✭✭✭
    I've never tried it but I'd expect olive oil to mitigate it and, perhaps, significantly.

    Getting the olive oil off might be pretty tough though.
    tempus fugit extra philosophiam.
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    SpoolySpooly Posts: 2,108 ✭✭✭
    PCGS just downgraded my 1943-D MS-67 that has the same problem. I got $120 plus the coin (raw) will be returned. It looked like Lincoln sneezed.
    Si vis pacem, para bellum

    In God We Trust.... all others pay in Gold and Silver!
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    notwilightnotwilight Posts: 12,864 ✭✭✭
    Zinc Oxide. white is to zinc as green is to copper. ever notice what color an old galvanized washtub or bucket turns (before it rusts through). --Jerry
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    tahoe98tahoe98 Posts: 11,388 ✭✭✭


    << <i>Looks like zinc-oxide. >>



    ...ditto
    "government is not reason, it is not eloquence-it is a force! like fire, it is a dangerous servant and a fearful master; never for a moment should it be left to irresponsible action." George Washington
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    rickoricko Posts: 98,724 ✭✭✭✭✭
    Yep... that is likely not conservable.... you could try an acetone rinse... but unlikely to help. Best effort may be to send it to NCS... but I doubt it will help. Cheers, RickO
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    rmpsrpmsrmpsrpms Posts: 1,969 ✭✭✭✭✭
    I don't buy steel cent rolls for this reason. I've had several near-perfect steel cents that would have graded 67 or 68 except for the ugly ZnO corrosion spots. It used to be that these would be replated to make them look better and be more durable. The mint did the Zinc plating on the planchets before striking, so during the strike the metal movement often exposed bare steel, which eventually rusted after the small amount of Zn around it was consumed. If the coins had been plated after striking they would have been much more durable but for some reason (maybe some arcane law limiting what can happen to coins after striking) they chose to plate before the strike. It was probably easier to deal with that way, after all we were at war and few folks were thinking about how well these things would be preserved for future collectors to enjoy.
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    joeykoinsjoeykoins Posts: 18,558 ✭✭✭✭✭
    Ala' Silver Eagles, ( milk spots ) dem'darn spots!

    "Jesus died for you and for me, Thank you,Jesus"!!!

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