Black Widow
Vitro Agate · 1960s-1970s
Identification summary
Machine-made transparent dark green-black cat's eye with black vanes that disappear into base glass, appearing as a solid dark marble.
Visible record
- Maker candidate
- Vitro Agate
- Era
- 1960s-1970s
- Pattern
- Solid transparent with obscured cat's eye vanes
- Rarity assessment
- Common
- Condition assessment
- Near Mint
- Size
- Standard 5/8 inch (15mm) Player
- Material
- Glass
Why this candidate
Best match for very dark transparent glass that photographs almost black with deep green tint, 15mm standard size, glossy machine-made finish with no pontil. Vitro Black Cat's Eyes often look solid black in photos because black vanes blend into dark base glass.