American Onyx / Slag Swirl (Green and Oxblood)
Christensen Agate Company · Late 1920s to Early 1930s
Identification summary
An exquisite vintage machine-made swirl marble featuring a rich, opaque olive-green body wrapped in a precise oxblood-red swirl, characteristic of Christensen Agate Company's high-quality glass formulas.
Visible record
- Maker candidate
- Christensen Agate Company
- Era
- Late 1920s to Early 1930s
- Pattern
- Swirl
- Rarity assessment
- Rare
- Condition assessment
- Near Mint
- Size
- Player (14 mm)
- Material
- Glass