Mauboussin, Paris Vintage Sapphire, Diamond and Platinum Ring

  A very unusual free-form design by Mauboussin, typical of the new styles of the time. This is a very unusual and “modern” design, and is illustrated on p.201 of Marguerite de Cerval’s book on Mauboussin. Ring size 6.25, can be re-sized. France, ca. 1965.