AI-assisted community identification

Tri-Color Boulder (UV Orange)

Vitro Agate Company · Mid-20th Century (c. 1940s-1950s)

Tri-Color Boulder (UV Orange) by Vitro Agate Company, identification view
Community photograph · added 5 April 2026

Identification summary

A vintage oversized glass marble with a clear base and internal tri-color ribbons that glow orange under UV light.

Visible record

Maker candidate
Vitro Agate Company
Era
Mid-20th Century (c. 1940s-1950s)
Pattern
Internal Swirl / Ribbon
Rarity assessment
Rare
Condition assessment
Near Mint
Size
Boulder / Giant Shooter
Material
Glass