Guilloché enamel opening medallion, diamonds and pearls

Rare “Au Firmament” pendant, opening medallion in 18 Kt yellow gold (hallmark: eagle's head) adorned with guilloché blue enamel decorated with floral motifs and silver stars set with rose-cut diamonds in a double surround of probably fine pearls.

Secret compartment on the back opening with a spring clasp system, and containing a blue fabric.
Original glass on the back.

French work from the 19th Century.
Numbered bail and medallion.

Gross weight: 27.56 g
Height: 5.80 cm
Width: 3.30 cm

Condition: very good condition, very light micro scratches and oxidation of the gold and silver parts, see photos.

And you, what would you slip into this pretty pendant? A photo, a lock of your loved one's hair, or a dried flower?

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