What is a John Adams $1 coin?
I'm curious, what exactly is a John Adams $1 coin? Is it a special edition coin issued by the U.S. Mint? I've never come across it before. Is it a collector's item? What's the significance of John Adams being featured on this coin? And, is it still in circulation or is it more of a historical artifact? I'd appreciate any details you can provide on this intriguing topic.