13 November 2012
A RUBY, ONYX AND DIAMOND 'AGOSTINO' RING, BY MARINA B.
The central cabochon ruby collet in an onyx surround, to the pavé-set diamond shoulders, mounted in gold, circa 1983, ring size 5½ with ring sizer
Signed Marina B.
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V. Jutheau de Witt, Marina B, L'Art de la joaillerie et son design, Skira, Milan, 2003, p. 23 for a drawing of the ring
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