Blue and White Swirl
Alley Agate · 1930s-1940s

Identification summary
A classic opaque white marble with elegant swirls of rich blue. Alley Agate is renowned for these high-quality swirling ribbons which display clean, non-bleeding color boundaries.
Visible record
- Maker candidate
- Alley Agate
- Era
- 1930s-1940s
- Pattern
- Swirl
- Rarity assessment
- Common
- Condition assessment
- Near Mint
- Size
- Standard (approx. 5/8 inch)
- Material
- Glass