Angular crossover shank inset with a turquoise sphere (diameter 11 mm). The aeronautical engineer and goldsmith Friedrich Becker (Ende bei Hagen 1922 - Düsseldorf 1997) designed the model for this sphere ring in 1957 and was awarded the Bavarian State Prize in 1959 for a slightly modified version of the same piece. Dimensions Ring size 58. Weight without sphere 5.14 g. Artist or Maker Friedrich Becker, Duesseldorf. Literature This model illustrated in Chadour/Joppien, Kat. Schmuck, vol. II, Cologne 1985, p. 214/15 Nr. 337, see also plate IV; Ausstellungskatalog Friedrich Becker, Kunsthalle Düsseldorf, 1984, unpaginated. Notes VAT: Margin scheme