Firing / Masonica glass made of colorless lead crystal, England, early 19th century.

Shot glass / Masonica glass made of colorless lead crystal, solid, thick-walled Round base with chipped edges and sliding marks, solid stem, conical bowl with fused rim. The shot glass is intact. England, late 18th/early 19th century. Height: approx. 9.5 cm, diameter at base: approx. 7.5 cm. Under UV light, white, lead-containing glass mass is visible.