This 1960 science educational chart provides a beautifully illustrated overview of Crayfish. In amazingly near pristine condition, this wonderful chart is laminated and still vividly showcases all of the original bright and vibrant colors used in these amazingly simple, yet detailed illustrations. Chart has metal casing on top and bottom and two rings at the top - ready for hanging. Measures 3' wide x 4' tall and ships rolled in a sturdy mailing tube.