AI-assisted community identification

Black and White Swirl

Alley Agate · c. 1930s - 1940s

Black and White Swirl by Alley Agate, identification view
Community photograph · added 1 February 2026

Identification summary

A classic machine-made swirl marble featuring a crisp white base with deep black ribbons. It is a staple of the West Virginia swirl manufacturers.

Visible record

Maker candidate
Alley Agate
Era
c. 1930s - 1940s
Pattern
Swirl
Rarity assessment
Common
Condition assessment
Near Mint
Size
Standard
Material
Glass