MCM Beranek Heavy Czech Art Glass Vase Tall Blue HEAVY HEAVY

Rare item. Can't find anything in this pattern/color online. This listing is for a sleek modernist HEAVY art glass vase- blue with black swirls and clear glass bottom. Vase measures approx 11" tall. About 9lbs. It also has its original label on the bottom marked Beranek Hand Made in Czech Republic. No chips. Does have surface scratches on bottom from age/wear.