Just one of many things you appear not to know. Wait until you get to 8th grade and you will see.
Perhaps you're right...my memory isn't what it used to be.
?
Better picture, but I don't see any doubling.
This begs for a Grouch Marx line...
I pretty much see it on the entire LIBERTY, but I think it is machine doubling which is an artifact of the strike and is not worth any premium.
No. Perhaps @BadThad would like to comment, but the method used by the "sniffer" is just not sensitive enough to pick it up.
Slight modification...what if you convert the corrosion product back to the metal, or if the amount of corrosion is neglible.
Looks like it might be good, if we had focused photos. Move the camera/phone further away and brace it.
LooKS like it was coated with glue and the edge chipped off.
Where did you get it?
Saw this pic in one of the newstories... [ATTACH]
...only if you know it...:nailbiting:
Remember the 5 minute university? In 5 minutes he teaches you everything you remember 5years after you graduate college.
Na2SO3, depends on what you call corrosive. If I get it on my hands, I rinse it off. The idea is that it goes to Na2SO4 (oxidized, so something...
@BadThad has said that coins treated with VerdiCare will straight grade whether the chemical is rinsed off or not. VerdiCare leaves a protective...
Yeah, I could hardly believe it. And I thought my 1.7 g two peso coins were small!
Glad you are having fun with these. I want to do some more experimenting with sodium sulfite for a reducing agent. Consider getting a brass...
Yeah, I like the "encrusted carbon" idea. You could either remove it using a sharpened bamboo stick or perhaps try some sodium hydroxide or...
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