Six cobalt blue bowls / Satten, North German around 1900

6 milk bowls / bowls made of mold-blown cobalt blue glass, conical body with retracted base and edge turned outwards, on the base with stamp-pressed capacity 1/2 l. Bowls are in intact condition, 1 bowl with small usage chips on the edge of the bowl. North German around 1900. Height: approx. 5.5 cm, diameter: approx. 15.0 - 16.0 cm.