#53002018 First-Class Forever Stamp - World War I: Turning the Tide
$0.70- $57.50 #M123342014 $3.15 World War I Poster Commemorating the 100th Anniversary; Sheet of 6
$9.95 #M123262014 $5 World War I; Christmas Truce Souvenir Sheet of 2
$6.50 #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 #M123252014 $3.25 World War I Christmas Truce; Sheet of 4
$9.95 #5371919 3c Victory Issue, violet
$3.25- $300.00 #M11917Wforld War 1 100th Anniversary Collection, Mint, Set of 6 Mint Sheets
$49.95 #3183k1998 32c Celebrate the Century - 1910s: President Woodrow Wilson
$1.95- $4.95