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細節
DIAMOND RING, RENÉ BOIVIN
Pear and circular-cut diamonds, 18k gold and platinum (French marks), ring size 5 ¾, 1947, unsigned
Madame Françoise Cailles, 2016: Certificate of Authenticity
Pear and circular-cut diamonds, 18k gold and platinum (French marks), ring size 5 ¾, 1947, unsigned
Madame Françoise Cailles, 2016: Certificate of Authenticity
出版
Cf. F. Cailles, René Boivin Jeweller, London, Quartet Books, 1994, p. 168