Which U.S. Coin Has A Value Equal To Its Mass?

Among all U.S. coins there is one coin that has a curious intersection of mass and value: the nickel. The coin weighs exactly 5.000 grams per U.S. Mint specification and has a value of exactly 5 cents. That intersection is largely due to chance as no other U.S. via Pocket http://ift.tt/1u3ljzb