AI-assisted community identification

Blue Conqueror

Vitro Agate Company · 1940s-1950s

Blue Conqueror by Vitro Agate Company, identification view — Community photograph · added 14 July 2026

Identification summary

A popular vintage machine-made swirl marble produced by the Vitro Agate Company featuring distinctive layers of dark blue, light blue, and white.

Visible record

Maker candidate: Vitro Agate Company
Era: 1940s-1950s
Pattern: Swirl
Rarity assessment: Uncommon
Condition assessment: Near Mint
Size: Shooter / Transition Size (Approx. 5/8 inch)
Material: Glass