A rare Russian Art Nouveau Acid-Frosted and enamelled glass vase with 84 silver mount, second Artel, Moscow, 1912-1916, the vase of tapering flattered form, decorated in enamel and remanent gilding with flowers and foliage to one side, a single stemmed flower and butterfly to the other, all on an acid-frosted colourless glass ground, mounted with an embossed Russian silver rim and twin handles, struck on the neck and one handle with maker's mark, 84 standard, 24.5 cm high, the handles 15 cm wide