A guilloch enamel miniature Egg

MARKED WITH THE INITIALS OF A. ASTREIDEN, ST. PETERSBURG, CIRCA 1890

Details
A guilloch enamel miniature Egg
marked with the initials of A. Astreiden, St. Petersburg, circa 1890
Ovoid, overall enamelled with alternate wavy scrolls in translucent orange and blue over guilloch ground, with suspension ring, marked on ring
5/8in. (1.6cm.) high
Provenance
Julia Grant, Princess Cantacuzne (see note to lot 16)