Just Wondering What These Would Grade?

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Author	Replies: 6 / Views: 1,051
2rtgah678 Valued Member Canada 291 Posts	Posted 08/26/2021 12:34 am Report this Post to the Staff

sel_69l Bedrock of the Community Australia 21786 Posts	Posted 08/26/2021 02:27 am The black sulfide/oxide areas don't help with eye appeal, but they don't affect the grade. They are sometimes called 'carbon spots', but they are certainly not carbon. The areas of black toning are in fact, a very shallow form of surface corrosion. I don't see any wear, so MS-64. Report this Post to the Staff
Silver101 Pillar of the Community Canada 1081 Posts	Posted 08/26/2021 05:30 am @sel_69I. Do you know anything about the chemical nature of that corrosion? Report this Post to the Staff
okiecoiner Pillar of the Community Canada 5585 Posts	Posted 08/26/2021 07:22 am Wear-wise, it looks UNC, but the reflections and shadowing prevent any kind of assigning a Sheldon number. Just the corrosion makes it a "details" coin. Report this Post to the Staff
sel_69l Bedrock of the Community Australia 21786 Posts	Posted 08/26/2021 08:27 am The 'corrosion' is so shallow, that it does not affect the grade, but it does affect the eye appeal. The oxides and sulfides of copper are black in color. What you see here is most probably a combination of both. The finger printing seen on some copper and bronze coins is just another version of a copper sulfide/oxide combination that was caused by sulfur compounds in the natural skin oils in the finger tips, and are there to keep the skin supple, to maintain good natural touch sensitivity. Report this Post to the Staff
Oldfordman Pillar of the Community United States 2869 Posts	Posted 08/26/2021 12:09 pm They looks ms62 Report this Post to the Staff
SPP-Ottawa Moderator Canada 10456 Posts	Posted 08/26/2021 1:21 pm MS-62 red-brown "Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search." -- J. Robert Oppenheimer Content of this post is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. See: http://creativecommons.org/licenses...0/deed.en_US My eBay store Report this Post to the Staff
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