The coin is 50 centimeters (about 20 inches ... This coin is not quite as old as some on this list, but that doesn’t stop it from being among the most valuable. In fact, it’s among the rarest coins ...
A rock almost 2 billion years old emerges from the grip of a massive drill rig plumbing deep into the soil of Michigan’s remote Upper Peninsula — another clue in a national hunt for valuable electric ...
Also: Buffalo Nickels Could Be Worth Thousands — How To Spot One Sponsored ... They were notable for being the first U.S. quarters in more than 50 years to feature a special reverse design. The most ...