Blue Slag
Akro Agate Company · Early Machine-Made Era (1911-1930s)
Identification summary
A quintessential machine-made slag marble featuring a translucent cobalt or royal blue base with opaque white glass swirled throughout.
Visible record
- Maker candidate
- Akro Agate Company
- Era
- Early Machine-Made Era (1911-1930s)
- Pattern
- Slag / Swirl
- Rarity assessment
- Common
- Condition assessment
- Near Mint
- Size
- Standard (approx. 5/8 inch)
- Material
- Glass