Rich with folded rim made of blue glass, North German

Rich / bowl made of blue glass, curved body with raised base and outwardly folded edge of the bowl, underside of the base with a sand tear. Shell is in intact condition. North German, early 19th century. Height. approx. 5.0 cm, diameter: approx. 19.3 cm. Lit: Collection Uwe Friedleben, Dr. Nagel, page 167, fig. 809.