A Russian Enamelled Glass Vodka Set and Tray, probably Imperial Glass Manufactory, St. Petersburg, 1880s

comprising a tray, decanter with stopper, and eight cups; in the Russian style, in enamelled green glass with applied bead ornament, the decanter formed as a kvasnik, the cups as charki and on a raised tray, the decanter painted with a rhyming Russian aphorism advising that although vodka can be bitter, it improves both your health and outlook, apparently unmarked

very attractive and unusual, with some small chips to charki, rubbing to enamelling, and loss of glass beads
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Although this set is unmarked, the complexity of the shapes and decoration suggest that it is one of the works in the Russian Style produced at the Imperial Glass Manufactory after designs by architects like Ippolit Monighetti or Viktor Gartman.  Both architects produced several designs utilizing complex shapes such as the kvasnik-decanter as well as applied glass beads similar to those decorating this set. See, for comparison, T. Malinina, Imperatorskii stekliannyi zavod, XVIII-nachalo XX veka, St. Petersburg, 2009, pp. 253-260.