List of United States commemorative coins and medals (1900s)

1903

Non-circulating coins

Face value	Coin	Obverse design	Reverse design	Composition	Mintage	Available	Obverse	Reverse
$1	Louisiana Purchase Jefferson dollar	Thomas Jefferson	Denomination, 1803-1903	90% Au, 10% Cu	Authorized: 250,000 (max, both varieties) Uncirculated: 125,029 (P) Proof: 100 (P)	1903
$1	Louisiana Purchase McKinley dollar	William McKinley	Denomination, 1803-1903	90% Au, 10% Cu	Uncirculated: 125,029 (P) Proof: 100 (P)	1903

1904

Non-circulating coins

Face value	Coin	Obverse design	Reverse design	Composition	Mintage	Available	Obverse	Reverse
$1	Lewis and Clark Exposition dollar	Meriwether Lewis	William Clark	90% Au, 10% Cu	Authorized: 250,000 (max 1904-1905 total) Uncirculated: 25,028 (P)	1904

1905

Non-circulating coins

Face value	Coin	Obverse design	Reverse design	Composition	Mintage	Available	Obverse	Reverse
$1	Lewis and Clark Exposition dollar	Meriwether Lewis	William Clark	90% Au, 10% Cu	Uncirculated 35,041 (P)	1905