AI-assisted community identification

Cobalt Blue

Akro Agate · 1930s-1940s

Cobalt Blue by Akro Agate, identification view
Community photograph · added 22 July 2026

Identification summary

A vintage translucent cobalt blue glass marble, widely collected and used in many classic American board games.

Visible record

Maker candidate
Akro Agate
Era
1930s-1940s
Pattern
Solid / Transparent
Rarity assessment
Common
Condition assessment
Near Mint
Size
Standard (approx. 9/16 inch)
Material
Glass