AI-assisted community identification

Blue Slag

Peltier Glass Company · 1920s-1930s

Blue Slag by Peltier Glass Company, identification view
Community photograph · added 4 March 2026

Identification summary

A classic early machine-made slag marble produced by Peltier. It features a transparent blue base glass with opaque white swirls that often exhibit a feathered or '9-and-tail' pattern characteristic of early Peltier production.

Visible record

Maker candidate
Peltier Glass Company
Era
1920s-1930s
Pattern
Slag
Rarity assessment
Uncommon
Condition assessment
Near Mint
Size
Player (14.5mm / approx. 9/16 inch)
Material
Glass