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

Identification summary
A classic machine-made swirl featuring striking black ribbons looping through a stark, slightly translucent white base.
Visible record
- Maker candidate
- Alley Agate
- Era
- 1930s-1940s
- Pattern
- Swirl
- Rarity assessment
- Common
- Condition assessment
- Near Mint
- Size
- 5/8 inch
- Material
- Glass