AI-assisted community identification

Blue and White Swirl

Alley Agate · 1930s-1940s

Blue and White Swirl by Alley Agate, identification view — Community photograph · added 22 June 2026

Identification summary

An early machine-made swirling marble featuring a dramatic mix of brilliant white and deep blue-black ribbons.

Visible record

Maker candidate: Alley Agate
Era: 1930s-1940s
Pattern: Swirl
Rarity assessment: Uncommon
Condition assessment: Good
Size: Shooter (16mm / ~0.63 inches)
Material: Glass