Here is more of the story. https://www.blackcatmining.com/henning-counterfeit-nickel-alaskan-jade.cfm
Talk about something interesting they may have heard about, but do not really know about it themselves. I suggest " The 3 Legged Buffalo nickle...
There are several different ones on Aliexpress from China. This one is interesting as it comes either silver plated ( prob. like the lighter one...
I think when someone finally reads the complete study besides me,( a long time ago), they will likely agree the ambient light level was not what...
Large date. IMO. Jim
If it is that dark, LDhair is right. Most likely there are almost no details as it sounds corroded. A strong acid such as in a silver dip will...
It is a normal nickel that has environmental damage from moisture and chemicals likely from being partially or completely in contact with soil....
It is hard o fully explain if one hasn't actually read about how the coin is made. Yours is mechanical doubling. The 1955/55 cent is one of the...
https://www.cointalk.com/forums/paper-money/
You will get many more good answers if you post it to the " Paper Money Forum". Click on Forums in the header at top of page and then click on...
Here is the best current source for it I can find. You might have connections with one of the educational and commercial groups that can get free...
Read step 5 https://www.stevespanglerscience.com/lab/experiments/gold-pennies/ This is a popular lab experiment and thousands of the silver or...
True, I can not think of a nicer person to receive such a surprise gift. You always try hard and have made tremendous progress. Maybe someday you...
The subject stops here. USNAF is on vacation for a while. Further discussion in this area will result in more vacations. Thank you Jim
Sounds like the "real" trading posts along old Hwy 66 in western NM and East Ariz.. When Flagstaff has the 'Pow Wow" , the fakes roll out although...
The pH of the solution is between 13 and 13.25 in the bottle. The color , consistency , and pH seems to indicate it is the old formula. Jim
Perhaps you should follow Detecto's lead. Just start another account under the name "Insider2". No one will know it's you, I promise! ;) I...
I think this is the article. But the summary leaves out some important factors. You can ask for the complete article. It was financed by a company...
It is copper plated , either by a company ( see below from a 1960 era coin magazine) or as a science experiment you can find on the internet. No...
Large, IMO
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