I'd like to get dad his first ancient. I don't know if I should go over $100 on this. [ATTACH] [ATTACH]
Hey I just realized the date has been corrected???
https://www.cointalk.com/threads/interesting.357096/
Beveled edges
Yea, I won't be doing that.
cyanide?
whew baby.
Holy hell it looks like crap, I would have expected some shiney zinc. Luv the lab work. Can you plate one, I may give it a go. I think I'll donate...
In other words, unlikely that copper has been dissolved opposed to likely being plated?? Yes I agree.
:facepalm:
I've compiled some key feedback given in this thread "presenting a photo"... "Most of us aren't professional photographers." -I'll keep the...
Update on 1909 vdb... Here's the bad news... https://www.cointalk.com/threads/interesting.357096/
Which post are you referring too guys?
Haha, I will look into it. I had no idea but thought they had to have a way to distinguish.
Removing copper over zinc seems difficult. To do this experiment follow the modified protocol shown below: 1. Cu (s) + 4 HNO3 (aq) → Cu(NO3)2...
I would go for the edge if I was gonna try that. little abrasive and see if you get more copper underneath.
Possible I guess.
I like the stripped theory but the copper on the rim???
Personally I think these are being made in science classes as lesson projects and students just take em home and spend em.
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