Master mark V.G., Bohemia, around 1925, design probably O. Žák, silver, purity 800/1000, galalit, gross weight 41,90 g and 16,10 g
Lit .: cf. Abstraction, Bohemia, Between Centers of Modernity 1918–1950, H. Rousová, Arbor Vitae, 2015, p. 127, fig. 259. Accompanied by a statement from the Assay Office.