Black Slag
Akro Agate Company · 1920s-1930s
Identification summary
A classic vintage machine-made slag marble featuring a deep black base with feathered white glass integration.
Visible record
- Maker candidate
- Akro Agate Company
- Era
- 1920s-1930s
- Pattern
- Slag / Swirl
- Rarity assessment
- Uncommon
- Condition assessment
- Near Mint
- Size
- Standard (5/8 inch)
- Material
- Glass