Unique Solid Hand Blown Blue Glass Face Mask

This is a unique piece, meaning I can’t find one like this available online. The glass face has a bumpy texture to it while the back is smooth to the touch. There is no hanging spot on the back so it’s means to sit on a flat surface much like a paperweight or on a desk. Measures 6.75l x 4”w. No repairs. No cracks. Excellent condition. Origin unkno