'King of Silver Dollars' coin could fetch over 1M at auction

Science Archaeology'King of Silver Dollars' coin could fetch over $1M at auction Coin collectors consider the rare 1804 dollar one of the field's most desirable trophies. Breakthroughs, discoveries, and DIY tips sent every weekday. A 19th century coin widely considered to be "the King of Silver Dollars" is hitting the auction block next week as part of Heritage's FUN US Coins Signature Auction. The Adams-Carter 1804 Class III Draped Bust dollar is one of only 16 known examples of the 1804 silver dollars. The valuable silver coin is the undisputed headliner of the 38-item Presidio Collection that will be auctioned January 14-17.