White Opal
Vitro Agate · 1940s-1960s Vintage Machine-Made

Identification summary
Solid opaque milk-white machine-made marble with glossy finish and subtle bluish-white opalescence, standard 5/8-inch player.
Visible record
- Maker candidate
- Vitro Agate
- Era
- 1940s-1960s Vintage Machine-Made
- Pattern
- Solid Opaque
- Rarity assessment
- Common
- Condition assessment
- Near Mint
- Size
- Standard Player - 15mm (0.59 inch / 5/8 inch)
- Material
- Opaque Soda-Lime Glass
Why this candidate
Best match for solid opaque milk-white glass with high gloss and faint opalescence, 15mm standard player size. Vitro made millions of white opal game marbles with this exact milky finish.