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UraaniBarbaari last won the day on October 11 2016

UraaniBarbaari had the most liked content!

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  1. Today I Received

  2. Today I Received

    Good Day. thanks @Numistacker + an auction pickup 1987 1/10 Oz
  3. Today I Received

    Bought this set to grade the panda and sell the rest but it would be actually quite nice to leave it like it is. Nice display
  4. NGC Grading Submissions Open

    Thanks for this, fantastic outcome!
  5. 100g Silver Forum Bars Reservations - NOW OPEN

    149 please
  6. Close up view and chemistry of the milk spots

    Absolutely, gold is better in many ways imo. But why you rarely see spotting on Perth Mint coins? Something in their process obviously that produces better quality.
  7. Close up view and chemistry of the milk spots

    ok, interesting. Would asetone dissolve the silver chloride?
  8. Close up view and chemistry of the milk spots

    I saw few particles with Fe, Cr, Ni and Cu ( so stainless steel from the press) but didn´t record the assays and don´t remember if they had any Cd. I think Cd was present in small amounts only in one assay. It seems to give false peaks close to silver peaks so an artifact in those EDS images? If the white hazing is just oxidized Ag then how would you be able to "deoxidize" it?
  9. Close up view and chemistry of the milk spots

    Thank You Pete! It´s pretty cool what you are able to see just after few hours of research. There would be much more to see and say about this, but I´ll likely have very little time to take this much further. What I will do at least is that I´ll get a neat Perth Mint coin to have some data to compare. Also if I get a chance I will produce some "element maps" to show the distribution of different elements. If it works it should show the textures pretty nicely. lol, thanks Steve!
  10. Close up view and chemistry of the milk spots

    Hello, Spent few hours yesterday evening after work looking at the white spotting in more detail. Please have a look if you are interested - I think it´s pretty cool. I´m no chemist and don´t quite understand the process so perhaps there is someone here who can comment more in depth. There should be link to the full PowerPoint at the end of this post. The ppt is pretty quickly put together. Milk_spots.pptx
  11. Hello from Sweden

  12. 100g Hallmarked Silver Forum Branded Investment Bars

    Will be interested in getting one
  13. Today I Received

    yeah the pictures are always tuff- looks perfect in hand
  14. Today I Received

    I don`t think there is anything to be concerned about @Cornishfarmer
  15. Today I Received

    Few More for slabbing.too bad the half ozer has got some hairlines on the back. Overpaid but will still grade it. 2003 looks flawless.