AI-assisted community identification

Opaque - Slate Gray

Vitro Agate · Machine-Made Vintage 1950s-1960s

Opaque - Slate Gray by Vitro Agate, identification view — Community photograph · added 15 September 2026

Identification summary

Solid slate-gray opaque Vitro game marble, 16mm player size with glossy glass finish.

Visible record

Maker candidate: Vitro Agate
Era: Machine-Made Vintage 1950s-1960s
Pattern: Solid opaque
Rarity assessment: Common
Condition assessment: Good
Size: Standard - 16mm (5/8 inch Player)
Material: Glass