Undocumented maker's mark that's comprised of an 'O under a Roof'.
This is a clear bold stamp with all points showing. 4
Measures 4 inches in diameter.
"O" Under A Roof, Undocumented Mark, 4 Inch
Written by Keith Glein
Additional Info
- Maker's Mark: Undocumented Mark
- Shape: Glass Ball
- Color: Blue-Green
- Size: 4 Inch
- Rarity: Rare Maker's Mark
- Country of Origin: Japan
- ID (optional): 2015-11-25-01 Glass Float Museum
- Retail Value ($): 100
- eBay Auction ($): 75