Recent Content by mrjason71

  1. mrjason71
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    Difference between red and brown copper toning?

    That's why I tried to give the thought experiment. Set up whatever conditions you want that will take a freshly minted coin through the darker...
    Post by: mrjason71, Feb 16, 2018 in forum: Coin Chat
  2. mrjason71
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    Difference between red and brown copper toning?

    You know...I am still wondering about this lol. I was Googling some more still trying to figure it out. I came across my own question and re-read...
    Post by: mrjason71, Feb 16, 2018 in forum: Coin Chat
  3. mrjason71
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    Conservation Black Spots on Bronze/Copper

    The spot might not have been that bad prior to encapsulation, huh? So nasty.
    Post by: mrjason71, Feb 12, 2018 in forum: Coin Chat
  4. mrjason71
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    Conservation Black Spots on Bronze/Copper

    Oooh here's one. On eBay...would love to break this thing out and fix it up. I don't know how this is Pf66--perhaps it's based on the low...
    Post by: mrjason71, Feb 11, 2018 in forum: Coin Chat
  5. mrjason71
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    Conservation Black Spots on Bronze/Copper

    I'll take altered surfaces over a carbon spot any day :) Id smash a slab to take out a straight graded coin with a carbon spot to alter its...
    Post by: mrjason71, Feb 10, 2018 in forum: Coin Chat
  6. mrjason71
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    Conservation Black Spots on Bronze/Copper

    Thanks Kentucky! Did you find that the sodium sulfite only ate away at the sulfur spot?
    Post by: mrjason71, Feb 10, 2018 in forum: Coin Chat
  7. mrjason71
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    Conservation Black Spots on Bronze/Copper

    Wow. How easy it would be to keep this to yourself. To take the time to sit and put that together in that kind of detail for your fellow anonymous...
    Post by: mrjason71, Feb 10, 2018 in forum: Coin Chat
  8. mrjason71
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    Conservation Black Spots on Bronze/Copper

    Really? Haven't come across that in my hunt. Like the homemade-power supply modification electrolysis? Or like some high tech thing? And would it...
    Post by: mrjason71, Feb 9, 2018 in forum: Coin Chat
  9. mrjason71
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    Conservation Black Spots on Bronze/Copper

    Great stuff, desertgem--good food for thought. I'd like to find the right chemical--even if it's just to spot treat. I remember buying a Dansco...
    Post by: mrjason71, Feb 9, 2018 in forum: Coin Chat
  10. mrjason71
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    Conservation Black Spots on Bronze/Copper

    Didn't want to "call you out"! You are awesome and have been very helpful and have shared freely of your knowledge and experience. Numismatics is...
    Post by: mrjason71, Feb 9, 2018 in forum: Coin Chat
  11. mrjason71
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    Conservation Black Spots on Bronze/Copper

    Thank you for sharing your experience. Really appreciated. Maybe the mineral oil would work better? Have read others who've had success. And...
    Post by: mrjason71, Feb 9, 2018 in forum: Coin Chat
  12. mrjason71
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    Conservation Black Spots on Bronze/Copper

    I have 1,000s of Lincoln Wheat cents and 100s that are BU. There are dozens with black spots. Black spots that EZ-est and the like will not...
    Post by: mrjason71, Feb 9, 2018 in forum: Coin Chat
  13. mrjason71
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    Conservation Black Spots on Bronze/Copper

    I'd love to chemically remove my spots. What chemical is the question. I must admit I didn't have high expectations when I started this thread. I...
    Post by: mrjason71, Feb 9, 2018 in forum: Coin Chat
  14. mrjason71
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    Conservation Black Spots on Bronze/Copper

    That's good. If they scraped them, there would be no hope. I've seen things saying long soak in mineral oil could break some of these down without...
    Post by: mrjason71, Feb 9, 2018 in forum: Coin Chat
  15. mrjason71
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    Conservation Black Spots on Bronze/Copper

    Here I found this description of NCS: "Founded in February 2001, Numismatic Conservation Services (NCS) is devoted to expert conservation of...
    Post by: mrjason71, Feb 9, 2018 in forum: Coin Chat