2004-S 5C Keel Boat, DCAM PR70DCAM 认证号15241860, PCGS号94241

2004-S Keel Boat Mintage: Circulation strikes: 0 Proofs: 2,965,422 Name: Jefferson - Westward Expansion - Lewis & Clark Bicentennial Rev: Lewis and Clark's Keelboat Composition: 0.75 part copper, 0.25 part nickel Diameter: 21.2 mm Weight: 76.16 grains (5 grams) Edge: Plain In the Fall of 2004 the reverse was replaced again. The Keel Boat reverse commemorates the Lewis and Clark expedition. They were authorized by Jefferson to explore the territory acquired in the Louisiana Purchase. The Keel Boats were used to travel up the Missouri river. It was on this journey that Lewis and Clark met up with Sacagawea, another important figure for US coins.