Rare Yellow Opaline Vinaigrette, Gold Mount, Charles X Period

Very rare vinaigrette in yellow opal crystal.
The body is entirely cut into decreasing diamond points.
The low side has a decoration of 18 ribs extending onto the base.
The sun yellow color intensifies into a honey color on the underside.
It has a knurled gold stopper chiseled with small dots.
It opens onto a pivoting grid decorated with a blooming rose.
It is hallmarked with the ram's head for 1819-1838 and the master goldsmith "SP".
French work from the Bercy crystal factory around 1810
Diameter: 3.5 cm
Height: 3 cm