Shawnee Nation – Lewis & Clark in Canoe – $1 – 2005 – Brilliant Uncirculated Silver Crown – COA – The Lewis and Clark Expedition (1803–1806), headed by Meriwether Lewis and William Clark, was the first American overland expedition to the Pacific coast and back. Originally intended to determine exactly what was obtained in the Louisiana Purchase, the expedition laid much of the groundwork for the Westward Expansion of the United States. This beautiful brilliant uncirculated coin was struck from one ounce of .999 fine silver and comes with a Certificate of Authenticity.