AI-assisted community identification

Black and White Swirl - Black Onyx

Alley Agate · 1930s-1950s Machine-Made Classic Era

Black and White Swirl - Black Onyx by Alley Agate, identification view
Community photograph · added 11 October 2026

Identification summary

Opaque black glass shooter with creamy white to light grey banded swirl wrapping around the marble. Machine-made swirl with glossy surface.

Visible record

Maker candidate
Alley Agate
Era
1930s-1950s Machine-Made Classic Era
Pattern
banded swirl
Rarity assessment
Common
Condition assessment
Near Mint
Size
Shooter - Large 24mm (0.94 inch)
Material
Glass

Why this candidate

Best match for opaque black base with creamy white banded swirl, glossy machine-made finish, and 24mm shooter size. Alley is famous for black-based white swirls with this wispy ribbon structure.