Lot 304. Collection of H.S.H. Gabriela Princess zu Leiningen. A pair of enamel and diamond 'églantine' brooches, by Boucheron. Estimate CHF7,000 – CHF10,000 ($7,251 - $10,358). Photo Christie's Image Ltd 2016. 

Each enamelled wild rose flowerhead, one blue, one yellow, with diamond-set pistil, leaves and stem, 1999, 4.5 cm, mounted in gold. Signed Boucheron, nos. A 384 948 (blue) and A 384 883 (yellow). 

Accompanied by copy of an invoice dated 3 June 1999 from Boucheron.

Christie's. GENEVA MAGNIFICENT JEWELS, 18 May 2016, Geneva