Blue Ribbon
Vitro Agate · 1950s-1960s Machine-Made Classic
Identification summary
Transparent clear machine-made marble with wispy opaque medium-blue ribbons suspended in clear glass.
Visible record
- Maker candidate
- Vitro Agate
- Era
- 1950s-1960s Machine-Made Classic
- Pattern
- Ribbon swirl
- Rarity assessment
- Common
- Condition assessment
- Near Mint
- Size
- Standard 5/8 inch - 16mm
- Material
- Soda-lime glass
Why this candidate
Clear colorless transparent base with 3-4 flat opaque medium-blue ribbons floating inside matches Vitro Ribbon construction exactly. Size 16mm is standard Vitro 5/8-inch. No pontil, high gloss machine finish, simple ribbon complexity typical of 1950s-1960s Vitro mass production.