1905 Lewis & Clark Gold Commem Dollar 1 ms66 SEGS. Heads You win, Heads You Lose! This is THE ONLY Two Headed Coin in US History! The Obverse depicts the Head of Lewis and the Reverse the Head of Clark. Extremely Scarce Gold Comemorative! Quoting PCGS "This issue is one of the rarest early gold commems". Plus, this is the 1905, which is Harder to Locate than the 1904. PCGS estimates only 5500 Survive. When examining one of these Commemoratives, the Portraits of the Explorers are the First Areas to Show Friction from Handling or Circulation.