The product described is a rare and collectible Akro Agate Co blended Superman corkscrew marble, measuring .78 inches in diameter. This machine-made marble from the pre-1970 era features a unique Superman style design, making it a highly sought-after item among collectors of vintage marbles. Its near mint condition adds to its value and appeal to enthusiasts looking for a piece of nostalgic toy history. Awesome marble nice and big. If you have any questions please ask. I combine shipping. Thanks for looking.