Friedrich Becker (1922 Ende near Hagen - 1997 Dusseldorf), Ring, 1980s, Stainless steel, synthetic blue spinel. 14 grams. Ø inside 17 mm. Signed: artist's signature (engraved)., Cf. Becker, Hildegard: Friedrich Becker, Schmuck.Kinetik.Objekt, Stuttgart 1997, p. 220. From the Hermann Jünger collection.

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