An opalescent glass vase, by Koloman Moser, circa 1900 - 1905 decorated with two large applied black circles and on black foot, 18cm. high Literature A similar vase is illustrated, Vienna Moderne, 1898 - 1918 an exhibition organised by the Sarah Campbell Blaffer Gallery of the University of Houston, Texas, 1979 p.48.. Also Daniele Barone and Antonio D'Auria, Kolo Moser, p.105.