Blue and White Swirl
Alley Agate · 1930s-1940s
Identification summary
A classic machine-made swirl marble featuring a rich cobalt blue base glass with opaque white ribbons that often blend to create periwinkle shades.
Visible record
- Maker candidate
- Alley Agate
- Era
- 1930s-1940s
- Pattern
- Swirl
- Rarity assessment
- Common
- Condition assessment
- Near Mint
- Size
- Standard (5/8")
- Material
- Glass