Oh yes it does, I've detected those elements at trace levels in every oil I've run on our EDXRF. The lowest levels are in white oil, which is...
Appears to be a woody! I find it hard to believe it would get a 67 with the grain in it unless it was invisible when it was first slabbed.
Cool story Don! Start posting your business issue Memorial cents, I'd really like to see what everyone else has, especially the 1982 to 1989 year...
Mineral oil is a complex mixture of various chemicals with a lot of variance. Mineral oil is very stable in itself, depending on the degree of...
I'm getting there, photographing in order by year.
Lipstick on a pig! :D I absolutely HATE oil on coins, sorry....you got to read about it while reviewing my book. Pull out the file and have a...
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1990 with Full Steps, almost impossible to find! Usually the middle left is complete mush: [ATTACH] [ATTACH] [ATTACH]
Lightly toned, hard to see:[ATTACH] [ATTACH]
Very lightly toned red:[ATTACH] [ATTACH] [ATTACH] [ATTACH]
OC [ATTACH] [ATTACH]
PL, hard to tell so I included a shot in the 2x2 from a distance:[ATTACH] [ATTACH] [ATTACH] [ATTACH] [ATTACH]
RDV-006, tough coin to find! Gifted to me by a friend after he felt bad for me searching for YEARS and thousands of coins: [ATTACH] [ATTACH] [ATTACH]
Obv side of airtite marked badly:[ATTACH] [ATTACH]
Again, the downfall of "luster grading", there's hardly a mark on that coin! 65BN in my eyes
The olive oil will do little and it creates a problem once you soaked it into every pore, you have to get rid of it and it's only soluble in a...
Lots of marks on the airtite, the angled shot seems to help.[ATTACH] [ATTACH] [ATTACH]
It's a good thing since MOST of them are infected badly. PCGS seems to be quite forgiving with respect to bubbles. Most of the 67/68 level coins...
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