Thus the piece of news below doesn't concern philately but numismatics, FindYourStampsValue.com couldn't pass over it. We publish it for our friends and colleagues - coins collectors. An extremely rare coin, the first of its kind to be minted in the United States, has sold at auction in Florida for more than $4.5 million. The 1787 Brasher doubloon has been called the most valuable coin in the worl ...