LIONEL MARK 1 US NAVY SHIPS COMPASS: Double gimble black metal case, well marked ''U. S. Navy, BU. Ships, 4-Inch Boat Compass, Mark 1 N 5732, 1940 The Lionel Corporation''. Sold in a wood box, overall 4 1/2'' h. x 7 3/4'' x 7 3/4''.