AI-assisted community identification

Blue Onyx Swirl

Alley Agate · Machine-Made Vintage 1929-1949

Blue Onyx Swirl by Alley Agate, identification view
Community photograph · added 19 September 2026

Identification summary

Opaque cobalt blue base with wispy white onyx ribbon swirl, machine-made 5/8 inch swirl.

Visible record

Maker candidate
Alley Agate
Era
Machine-Made Vintage 1929-1949
Pattern
Onyx Swirl
Rarity assessment
Common
Condition assessment
Near Mint
Size
Standard 5/8 inch - 0.625 in / 15.8 mm
Material
Soda-lime Glass