A parcel-gilt liqueur drinking service in the Russian style

A parcel-gilt liqueur drinking service in the Russian style
St. Petersburg and Moscow, 1878, maker's marks: in Latin 'JR' (tray and cups), in Cyrillic 'IS" (jug)
comprising: a jug, circular tray and six cups; tapering jug on circular stepped foot, domed hinged lid with articulated overhanging edge imitating traditional wood carving, with acorn-shaped finial on top, scroll handle, body and flaring neck engraved with traditional ornamentation and a proverb in Old-Slavonic script 'Good camaraderie is better that wealth', front with engraved traditional vignette, monogram in Cyrillic 'REG' and date '1878'; miniature tankards with scrolled pierced handles, top and bottom outlined with beaded borders, body with cast and chased decorations of scrolling grave wine and identical monogram; circular tray decorated en suite, gilded interiors, 84 standard, (8)
diameter of tray: 23.5cm (9 1/4in); height of jug: 22.8cm (9in).