New information on the source of milk spots and hazing

Discussion in 'Silver Coins' started by SpacePete, Sep 11, 2015.

  1. Gatito Bandito

    Gatito Bandito Active Member

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    I'm by no means an expert in the history of either subject matter, but from my obversations I've noticed an influx of milk-spots starting in the 1980's, and only getting worse from there.

    While at the same time, I've also noticed an influx of more-frequent higher grades (a lot more 69+) of coins starting in that same decade.


    That's not to say you can't find a stray milk-spotted coin from the 1970's, or a great grade of one minted prior to 1980 -- just that there's a pretty noticeable upswing of both, beginning in the '80s.

    I don't believe it's a coincidence.


    And to answer your other question, no, not all old silver coins have a patina.

    I've seen plenty of obviously "dipped" ones, perhaps from using a product like this..

    [​IMG]


    And these older dipped coins do not have milk-spots (nor does the product remove them).
     
  2. barsenault

    barsenault Well-Known Member

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    Interesting video around a ranking on coins and spotting. One guess which was the worst? Lol

    [youtube]http://www.youtube.com/watch?v=SOzcyJ0ncf8[/youtube]
     
  3. raven

    raven Well-Known Member Silver Stacker

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    Interested to know, if you melted ten Canadian maples, all heavily milk spotted, into a sold bar, would the bar "milk spot up" ?
    Also, if you took a one once Canadian maple leaf round, covered in milk spot, and heated to 1,750 f, would the milk spots be gone, ....... forever ?
     

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