Browse our gallery of WWI art and WWI posters for sale. These posters were created during during WWI 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 dangerous of enemy espionage. These iconic WWI Posters used classic symbols of the United States to move the country to action. Our WWI Posters are museum-quality reproductions, restored from original scans.