I believe Czech Bohemia Crystal style. No markings. Has 3 smoke rests. Condition: In great condition! One very small chip to top rim (shown in third to last picture). Gorgeous condition otherwise.

Brand: Unmarked
Type: Ashtray
Original/Licensed Reproduction: Original
Color: Blue
Item Diameter: 6.25 in
Item Height: 1.5 in
Material: Crystal
Features: Decorative
Country/Region of Manufacture: Unknown
Finish: Glossy
Item Width: 6.25 in
Item Weight: 2 lbs