Poster, Sandmarg, General Dynamics, 1957 Poster depicts white abstract jellyfish form on a ground of blocks of greens, blues, and grays; a white line crosses the jellyfish from the top to the bottom. Below, in a black margin: GENERAL DYNAMICS.; in white, lower right: sandmarg. Related Objects Poster, Checkmate, Ballet by Arthur Bliss, 1937 Poster, National Collection of Fine Arts, Smithsonian Institution, Washington, D.C., ca. 1968 Poster, Jeanne Marc