Blue Devil
Vitro Agate Company · 1940s-1950s
Identification summary
A striking machine-made marble featuring a base of dense black glass accented by a bold, deep blue swirl. It is a highly sought-after color combination for Vitro collectors.
Visible record
- Maker candidate
- Vitro Agate Company
- Era
- 1940s-1950s
- Pattern
- Swirl / Patch
- Rarity assessment
- Uncommon
- Condition assessment
- Near Mint
- Size
- Standard (approx. 5/8 inch)
- Material
- Glass