The VITRO AGATE 'Whittie' .61" Vintage Marble is a machine-made marble manufactured by Vitro Agate in 1932 in the United States. This marble is categorized under the Rainbo style, making it a unique and collectible piece for enthusiasts of vintage marbles. With its aged design and origin, this marble appeals to a wide range of collectors, from children and teenagers to adults and experienced collectors looking to add a rare and vintage piece to their collection.