Cobalt Slag
Akro Agate Company · 1920s - 1930s
Identification summary
A quintessential machine-made slag marble featuring a deep cobalt blue transparent glass base with hand-gathered style white swirls.
Visible record
- Maker candidate
- Akro Agate Company
- Era
- 1920s - 1930s
- Pattern
- Slag / Swirl
- Rarity assessment
- Uncommon
- Condition assessment
- Near Mint
- Size
- Player (15.5mm / ~5/8")
- Material
- Glass