The Akro Marble is a vintage machine-made marble from the pre-1970 era, featuring a mint white color and corkscrew style design. Made by Akro Agate in the United States, these marbles are highly sought after by collectors due to their unique aesthetic and historical significance. Measuring approximately 1" in diameter, these marbles are a classic addition to any toy or hobby collection, showcasing the craftsmanship and design of that time period.