This Philadelphia Mint dollar celebrates the 250th anniversary of the man who authorized the Lewis & Clark Expedition - Thomas Jefferson. Issued in limited quantity for one year only, this 90% fine silver dollar features the dual dates 1743-1993. The coin features a highly detailed portrait of a youthful Jefferson on the obverse and a view of Monticello on the reverse. Mintage: 266,927. Add one to your collection today!