Vintage West Virginia Swirl Marbles UV Reactive Uranium Cadmium 25 Pc Collection

A classic vintage West Virginia glass marble collection showcasing mid-century American craftsmanship. Originating from historic West Virginia manufacturers—such as Ravenswood Novelty Works and Alley Agate Company—these multi-colored swirls feature vibrant opaque ribboning encased in crystal-clear and tinted base glass. Collector appeal is heightened by specialized glass formulation characteristics, including vivid fluorescent green uranium glass and fiery orange-red cadmium glass reactions under ultraviolet blacklight. Displaying iconic swirl patterns, ribbon trails, and classic color combinations, this grouping represents the golden age of machine-made American marble manufacturing, making it an essential acquisition for vintage glass and marble collectors.