U.S. Navy Miniature Models - Marked on label of case, "U.S. Bureau of Aeronautics, Special Services Division." Case contains cast lead miniature models of U.S. Navy war ships used to train the military personnel how to identify our ships by silhouette from a long distance, crate measures 27" high x 14" wide x 5 1/2" deep closed. Provenance: A New York collection. Estimate $200-300