Extremely rare late XVIII Century antique possibly Russian Imperial Glass Manufactory cobalt dark blue beaker, with cut sides, hand decoratd in gold. 5 ½" (14cm) high x 3 1/8" (7.8cm) dia. Mouth x 2 7/8 (7.3cm) dia. With light wear as can be seen in pictures.
An extremely small chip on mouth mentioned only for accuracy description. Russian glass beaker - goblet - cup.