#53002018 First-Class Forever Stamp - World War I: Turning the Tide
$0.70- $57.50 #M123352014 $5 100th Anniversary of World War I; "I Want You"; Souvenir Sheet of 2
$6.50 #M123262014 $5 World War I; Christmas Truce Souvenir Sheet of 2
$6.50 #M123252014 $3.25 World War I Christmas Truce; Sheet of 4
$9.95 #21541985 22c World War I Veterans
$0.20- $68.50 #3183i1998 32c Celebrate the Century - 1910s: U.S. Enters World War I
$2.25- $2.95 #5371919 3c Victory Issue, violet
$3.25- $2,500.00 #3183k1998 32c Celebrate the Century - 1910s: President Woodrow Wilson
$1.95- $3.20 #M11917Wforld War 1 100th Anniversary Collection, Mint, Set of 6 Mint Sheets
$49.95 #M123332014 $5 Commemorating World War I 1914-1918; Weaponry; Souvenir Sheet of 2
$6.50 #MA1509Latvia Map Stamps - Imperforate block of 16 with map on reverse, one imperforate single plus FREE album page and mounts
$54.95 #M123282014 $3.25 Artillary of World War I; Sheet of 4
$9.95 #M123312014 $100 100th Anniversary of World War I; Battleships; Sheet of 4
$9.95 #M123292014 $5 Artillery of World War I; Souvenir Sheet of 2
$6.50 #15671975 10c U.S. Military Uniforms: Continental Marines
$0.20- $2.50 #15711975 10c International Women's Year
$0.20- $23.50 #M123322014 $175 100th Anniversary of World War I; Battleships; Souvenir Sheet of 2
$6.50 #M123272015 $10 World War I; Battle of the Marne
$6.50 #6511929 2c George Rogers Clark
$0.80- $195.00 #M123302014 $700 Tanks of the First World War; Souvenir Sheet of 2
$6.50