Clear vase with red bottom - Ladislav Oliva

Clear and red (pink) glass, blown shaped. This could be the work of glass artist Ladislav Oliva, for the Skrdlovice glassworks around 1976. A vase of cylindrical shape with a slightly arched edge. Lower part with ring and thick-walled base. Decorated at the bottom with melted red glass decor with air bubbles. Czechoslovakia, 1970s. Height 20 cm.