Blue and Yellow Swirl
Alley Agate · 1930s-1940s
Identification summary
A vintage machine-made swirl marble featuring a bright yellow base with deep navy blue ribbons forming a characteristic 'S' shape.
Visible record
- Maker candidate
- Alley Agate
- Era
- 1930s-1940s
- Pattern
- Swirl
- Rarity assessment
- Uncommon
- Condition assessment
- Near Mint
- Size
- Player (approx. 5/8 inch)
- Material
- Glass