Blue on Blue Swirl
Alley Agate · 1930s-1940s
Identification summary
A classic West Virginia swirl marble featuring a light sky-blue base with a heavy, deep cobalt blue swirl pattern.
Visible record
- Maker candidate
- Alley Agate
- Era
- 1930s-1940s
- Pattern
- Swirl
- Rarity assessment
- Uncommon
- Condition assessment
- Near Mint
- Size
- Standard (5/8 inch range)
- Material
- Glass