Akro Agate Red Slag (Cardinal Red)
Akro Agate Company · 1930s - 1940s

Identification summary
The Akro Agate Red Slag is a quintessential machine-made marble featuring a deep, rich red transparent-to-translucent base glass swirled with opaque white 'opal' glass. The user's mention of 'Alto Agate' is a common typo for 'Akro Agate,' the premier producer of this style.
Visible record
- Maker candidate
- Akro Agate Company
- Era
- 1930s - 1940s
- Pattern
- Slag
- Rarity assessment
- Uncommon
- Condition assessment
- Near Mint
- Size
- 5/8 inch
- Material
- Glass