Black Ruby
Akro Agate Company · 1930s - 1940s
Identification summary
A vintage machine-made marble that appears black until held to a light source, revealing a deep red interior.
Visible record
- Maker candidate
- Akro Agate Company
- Era
- 1930s - 1940s
- Pattern
- Solid Translucent
- Rarity assessment
- Uncommon
- Condition assessment
- Good
- Size
- Standard (approx. 5/8 inch)
- Material
- Glass