Potsdamer Becher "Allegorie der Standfestigkeit"

Colorless glass, blown, cut, cut and partly blown, slightly waisted beaker with faceted rim, the front of the wall with a round medallion surrounded by rocailles and tendrils with a knight on a column, above it an inscription band with the motto "per ardua virtus", on the back a crowned mirror monogram "EW" surrounded by vine leaves, below the lip a circumferential frieze with winged putti heads between pelmets, garlands and fruit bouquets, cut blossom (sunflower) in the base, h 7.5 cm, Potsdam ~1720, good condition, undamaged, minimal glass damage 0607 This typical beaker shape can be found in Potsdam until the middle of the 18th century. Examples can be found in various collections, cf: Brigitte Klesse 1973, Glassammlung Helfried Krug, vol. II. Page 155, no. 626 (with lid), Brigitte Klesse/Axel von Saldern 1978, Biemann Collection, page 194 Prov.: Gottfried Wilhelm Butze Collection (1821 - 1897, government councillor in Berlin), Johann Franz Wilhelm Butze (1857 - 1912, government councillor in Berlin and Arolsen), property of the heirs