The decoration can be compared to an overlay blue glass goblet included in the 1855 Paris Exposition Universelle engraved with bacchanal figures, signed 'F P Zach', now in the Victoria and Albert Museum, London, mus. no. 2672&A-1856, published by Paul von Lichtenberg, Glasgravuren des Biedermeier, Regensburg, 2004, p. 173, abb. 338. A further goblet by Zach with a similar reclining Bacchic figure eating grapes was sold in these rooms, Masterpieces of European Glass 1500-1900, A selection from the Hida Takayama Museum of Art, 19th December 2002, lot 20. For a beaker with similar grapevine engraving see Günter Irmscher, Glas, Glasmuseum Rheinbach, Cologne, 1988, pp. 154-5, no. 156.