000818 VITRO Hybrid Cat Eye, Mfg 1960's-1980's NM to MINT 8.9-9.0 5/8" - 7/8" +/- Assorted Group

Vitro AKA Gladding VItro AKA Vitro Agate produced "Hybrid" Cat's Eye Marbles from the 1950's into the 1980's. Hybrid indicated where there is more than one color on a single vane. The best of these are the 3-color frilly vane cat’s eyes by Vitro Agate. Among the most prized and rare colors are marbles with adventuring, three-color nine-vane caged cat’s eyes, and marbles with a colored glass base (blue is most common).