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Re: Coffee w/Silver coin, 2-Week experiment.
That would probably work. Methionine itself isn't volatile but breaks down and releases the sulfur when heated. There's not a lot of methionine in typical coffees though. (View Post)1 -
Re: A Antoninianus of Gordian III - authentic?
For a more detailed identification: Gordian III, silver antoninianus, reverse AETERNITATI AVG (to the eternal emperor), the sun-god Sol standing. The coin does not bear a date or mintmark; stylistic … (View Post)2 -
Re: If Dahlonega started making coins again...
While the question itself is entirely hypothetical (since such a re-openeing would be excessively improbable), the related question is more meaningful: what mintmark would be adopted if a new mint we… (View Post)3 -
Re: What coin do you dream of owning but likely will never own?
For me, that would be the New South Wales Holey Dollar of 1813. Only a couple hundred known in existence, and half of those are in museums. Historically, been about the same price as a suburban house… (View Post)1 -
Re: How Long Have You Ever Packed Away Your Coin Collection Without Viewing It?
Back when I was studying at Uni, I wouldn't have looked at the collection for months on end. That would be the longest period of time for me when the collection was stowed away and ignored. I… (View Post)1