WW1 posters and WWI art for sale. These World War 1 posters were created during during the war to support the sale of war bonds, increase enlistment and promote conservation and support of the war on the home front. Must of this WWI Art also warns of the dangers of enemy espionage. These iconic World War I Vintage Posters used classic symbols of the United States to move the country to action. Our WW1 Posters are museum-quality reproductions, restored from original scans. Included in our collection is WWI propaganda posters created to motivate the home front.