Zebra (Black and White Swirl)
Alley Agate · 1930s-1940s
Identification summary
A classic machine-made swirl marble featuring a dense opaque black base with contrasting white ribbons and wisps.
Visible record
- Maker candidate
- Alley Agate
- Era
- 1930s-1940s
- Pattern
- Swirl
- Rarity assessment
- Uncommon
- Condition assessment
- Near Mint
- Size
- 5/8 inch (Shooter/Standard)
- Material
- Glass