Very cool!
Ground hog day! LOL I've seen your "whitest cast" exactly one time and I've use acetone on tens of thousands of coins. It was due to dehydration...
The highly deionized water in my lab is about 5.8-6.5. Deionized water is superior to distilled water IMO.
CONGRATS! Finding one in ANY condition is a triumph! I've probably searched well over 10k 1999's and only found 2....and I consider myself lucky....
You're welcome....I LOVE LINCOLNS! I really like the MP Lincolns, just out of my price range so I don't own any. After about 10 years of looking...
I like it!
NICE FIND! It's very amazing to find that in a roll. Most errors are found in bags. It would be extra cool if it was a WAM but the FG is too far...
Impressive work! I like the 3D effect.
WOW...beautiful set!
Now that I look closer, there are 2 straight cracks on the reverse. Those are common areas for cracks. You're talking about the die polish lines...
Welcome to CT! We like talking about matte proofs too. How about some pictures of your collection? :)
Beautiful 11D! 65BN I see no corrosion, just a couple carbon spots.
An old proverb for you Rick:
No, clashes only occur in the fields, not on the devices. I see some gas bubbles there but, based on the OP description, it sounds like he was...
It's a "jail cent", fairly common die clash.
Certain plastics are resistant to acetone, others, not so much....they literally melt.
No, xylene is safe unless you huff, drink or bathe in it. I get acetone and xylene on my skin frequently, they will dry the skin, but that's it.
24 hours is a general recommendation to avoid the possibility of striping/altering the patina. It depends on the coin and the metal. I've soaked...
The carcino concern is due to cobalt radioactive isotopes which may be present. There are MANY isotopes:...
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