AI-assisted community identification

Blue Swirl

Alley Agate · 1930s-1940s

Blue Swirl by Alley Agate, identification view — Community photograph · added 18 May 2026

Identification summary

A classic machine-made swirl marble featuring a light blue translucent base with ribbons of cobalt and midnight blue.

Visible record

Maker candidate: Alley Agate
Era: 1930s-1940s
Pattern: Swirl
Rarity assessment: Uncommon
Condition assessment: Near Mint
Size: 5/8 inch (Shooter/Large Player)
Material: Glass