This large blue corkscrew marble weighs around 5.5 oz and is approximately 2 inches in size. It is a machine-made marble with a unique corkscrew style that adds a touch of vintage charm. The marble is in good shape and is sure to delight collectors and enthusiasts of all ages. The brand is Akro Agate and the artist is unknown. This item is perfect for those interested in toys and hobbies, particularly in the category of marbles. Purchase it now to add to your collection!

I have big hands, but that last picture should at least give an idea of how big the marble is. It has some scratches and a couple small chips, mainly seen in the second picture.