Loetz cased glass vase designed by Michael Powolny, circa 1914, of cylindrical form with everted undulating rim, white opal with black vertical lines and rim, Ausfuhrung 157; together with a smaller cased opal glass vase with black vertical stripes and rim (2) 17 cm high, 29 cm diameter Respectively. Provenance: Rodney de Soos private collection Sydney. Literature: for a similar example refer 'Lotz 'Bohmisches Glas 1880-1940, band 1, Werkmonographie' p282 plate 342 and page 578, ref 8445/5