U.S. Marines Artillery Print - L.A. Shafer - Vintage WWI Military PosterThis vintage 1917 U. S. Marines recruitment poster, illustrated by L. A. Shafer, captures a dramatic wartime scene of Marines operating a large artillery gun aboard a naval vessel. The detailed rendering of the Marines, dressed in their World War I uniforms, shows their discipline and teamwork as they prepare to fire. The American flag waves proudly in the background, while a military airship hovers above, reinforcing the importance of naval and