Antique Dugan Glass Block & Wheel Blue Opalescent Dish /ro Condition:Used which could likely be cleaned

which could likely be cleaned up with vinegar

I see no maker’s mark

They have an 10 1/4” diameter and are in very good vintage condition

The stone does have some natural flaws

This set of three illuminating Putz Christmas houses are a larger size

Antique Dugan Glass Block & Wheel Blue Opalescent Dish /ro Condition:Used which could likely be cleanedGorgeous Blue opalescent shallow glass bowl by Dugan Glass, shown as early as 1905 in ads with other Dugan patterns. This pattern is called Wheel and Block; it measures 10 across and just shy of 2 1 2 deep. It is in good antique condition glass is clear, but it does exhibit some faint scratches from stacking in storage. Any straw marks or air bubbles is normal for molded glass of this era.