Blue and Yellow Swirl
Alley Agate · 1930s-1940s
Identification summary
A vintage machine-made swirl marble featuring a translucent cobalt blue base with opaque yellow swirls. At 5.2mm, this is an exceptionally rare 'micro' size.
Visible record
- Maker candidate
- Alley Agate
- Era
- 1930s-1940s
- Pattern
- Swirl
- Rarity assessment
- Uncommon
- Condition assessment
- Good
- Size
- Peewee
- Material
- Glass