Some chemicals used for treating bronze disease like benzotriazole are toxic to the touch and remain on the coin forever. I would be very cautious...
The picture of your complete setup is very helpful Dennis, thanks.
It looks like post mint damage to me. Maybe an ancient dryer coin.
Congratulations Joe on an outstanding acquisition. Could not have gone to a better suited owner. John
There is a difference between buying Becker and other well-known counterfeiters works. Those are a subgenre of themselves. An unknown forgery...
I think what is disturbing about it is that somebody paid 455 euros plus fees for it. Why would anybody pay that kind of money for a modern...
Keep an eye out for it in future auctions.
Very nice shots @OutsiderSubtype The Athens tetragrams do have very high relief. I was never very interested in the type until I saw them in...
A lot of great coins shown by everyone. :-)
Doug, You have posted some amazing perspective shots over the years. I first heard of focus stacking from one of your posts. I have not given it...
Very nice coins and pictures TIF, did you use focus stacking for the side views? The Eumenes portrait is so life like it is amazing. John
That is nice toning. The short hair is an interesting detail. Is that common or specific to this ruler? John
That is a cool detail. Is he telling the other horses to hurry up, or is there some symbolism we don't know?
I like the plow symbol on the reverse of your coin! Very nice. It is amazing how much effort they put into these tetradrachms that were made in...
I think he is talking about silvering his hair! John
Nice coin and images Bing! Now I want one of those too. :-)
Here is another favorite I have posted before. The perspective shots were taken with a cell phone and the facing shots with my old lens and...
I recently picked up this very attractive Seleukos I Nikator Tetradrachm from John Anthony's recent auction. It formerly was part of the Sallent...
You could be right Pete. Could it be lamination of the flan at work too? It could be all three at once. John
I think horn silver and it's subsequent removal is the likely cause.
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