Royal Swirl (Blue and Red)
Akro Agate Company · 1930s-1940s

Identification summary
A classic machine-made opaque swirl marble featuring a vibrant blue base with a contrasting reddish-brown swirl pattern.
Visible record
- Maker candidate
- Akro Agate Company
- Era
- 1930s-1940s
- Pattern
- Swirl
- Rarity assessment
- Uncommon
- Condition assessment
- Near Mint
- Size
- Standard (approx. 5/8 inch)
- Material
- Glass