This ulti layered cutting allows more or less light through creating the illusiopn of a multiplicity of colours. Additionally this alters the rates of refraction meaning that as one moves around the glass the proportions are raidcally altered.
Signed Kosta Boda 1973/8 Ann Warff. 14cm height, 13.3cm diameter. Excellent, no chips or cracks. I have been involved in the antiques business since 1971. My career took a leap forward when I joined Bonhams in 1976. Some five years later I became head of the Decorative Arts department.