Sapyx ✭✭✭✭✭

When these black spots are small and round, they're called "carbon spots". Carbon spots aren't actually caused by or made of carbon, they're called that because of the colour… (View Post)

Mine is a silver didrachm of the island-city-state of Rhodes. It was the first ancient coin I paid serious (for me) money for, and I still have it. (View Post)

I would consider them a fringe aspect of exonumia, which is itself a vague general term for the fringe aspect of numismatics and can include virtually anything that isn't literally a "coin&… (View Post)

Poland, and the Baltic regions around Poland, had something that virtually nowhere else in the ancient and mediaeval world had: amber. This trade good could be worth its weight in gold, so it's … (View Post)

Your northern neighbours readily prove that plated-steel nickels can work well enough, but for the US I'd say steel would be impractical, and it's mainly for that vending-machine reason. Ev… (View Post)