René BOIVIN Ring "Quatre corps René BOIVIN Ring "Quatre corps In 18k white gold, comprising four mobile rings set with 22 brilliant-cut diamonds in oval settings Circa 2000 Signed and numbered TDD: 53-54, Gross weight: 16.27 g Certificate of authenticity from René Boivin (2024) A diamond and 18k white gold "Quatre corps" ring, by René Boivin circa 2000 Authenticity Certificate from René Boivin Bibliography: Françoise Cailles, René Boivin Joaillier, Les Editions de l'Amateur, 1994, illustration of this model p.156, 264 and 323 CONDITION REPORT : Good condition, used patina Signed René Boivin, numbered BG30002 After a drawing by Juliette Moutard in 1948 CONDITION REPORT : Good condition, usual wear Signed Rene Boivin, numbered BG30002 After a drawing by Juliette Moutard in 1948