AI-assisted community identification

Blue and White Swirl Boulder

Akro Agate Company · 1930s - 1940s

Blue and White Swirl Boulder by Akro Agate Company, identification view
Community photograph · added 27 April 2026

Identification summary

A massive machine-made glass marble, known as a 'Boulder' due to its size, featuring a vibrant light blue opaque base with thick, flowing white swirls.

Visible record

Maker candidate
Akro Agate Company
Era
1930s - 1940s
Pattern
Swirl
Rarity assessment
Uncommon
Condition assessment
Near Mint
Size
Boulder (40.80 mm)
Material
Glass