This product is a 3/4" Akro Agate Superman marble, manufactured in the United States in 1924. It is a machine-made marble featuring a Superman style design, suitable for collectors aged 12 and up. With its unique design and historical significance, this marble is a rare find for enthusiasts of vintage toys and marbles. A single unit is available for purchase, making it a valuable addition to any collection of pre-1970 marbles.