Optic blown from one piece of glass. Twisted to form a series of translucent ribs. Signed and dared first of thirty pieces made. Blown by master-blower Knut Bergquist, one of the only glass blowers able to achieve this technically differcult task. Designed 1923 for the 300 anniversary Gothenburg exhibition.
Produced by Orrefors.
Ref: 7508