Small vase made of black glass with a lustered surface, Bohemia around 1910-20

Small vase made of black glass (hyalith glass), laced round base, spherical body with flared vase rim, wall with a strong petrol-colored luster. Vase is in intact condition, base with traces of sliding. Bohemia, unknown glassworks around 1910-20. Height: approx. 12.2 cm, diameter: approx. 11.0 cm.