This is a Bohemian Czech art glass vase, produced during the 1930s when the Bohemian glass industry was experimenting with different glass formulas and using furnace heat to apply solid glass trails or windings.
The vase is 7 3/8" high and 5 1/8" wide at the mouth.
There is a clear glass outer layer that is quite visible at the bottom. The inside layer is clear glass with infused colors of orange and yellow at the bottom half and brown on the upper half. The outside has all black glass windings.
The shape is one of bulbous body, widening towards the top, and flaring out to a wide mouth. The rim is round. The pontil is round, smooth and deeply indented, with part of a black glass winding trailing over the pontil.
There are no chips, nicks or cracks.
When peering down through the vase, you can see your fingers through the glass