Pair of tumblers Jizera or Giant Mountains, circa 1820 Colorless glass. Solid bottom with punctured air bubbles. Cylindrical wall with very fine matt and bright cut: round medallion with double-headed eagle, initials ''FI'' on the chest flanked by columns, urns and trees. Above it are initials ''MS'' and ''KS''. Below the edge of the lips with a row of bleeded dots, a matt border with stylized ears of corn and flowers circumference. Scattered flowers on the back. On the lip bumped so-called shell. H. 12 cm Cf. Christian Kuhn, Glasses of the Empire and Biedermeier Period. From the MAK Collection and the Christian Kuhn Glass Collection, p. 75