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

Identification summary
An authentic Alley Agate swirl marble featuring high-contrast blue swirls on a white base, illustrating classic mid-20th-century American machine-made glass craftsmanship.
Visible record
- Maker candidate
- Alley Agate
- Era
- 1930s-1940s
- Pattern
- Swirl
- Rarity assessment
- Uncommon
- Condition assessment
- Near Mint
- Size
- 0.6 inch (Shooter/Player size)
- Material
- Glass