AN ANTIQUE DIAMOND AND BLUE ENAMEL MECHANICAL BROOCH, BY C MARCKS & CO.

AN ANTIQUE DIAMOND AND BLUE ENAMEL MECHANICAL BROOCH, BY C MARCKS & CO.
The central circular blue enameled dial set with rotating diamond-set panels of star and baton motif within a rose-cut diamond-set foliate surround to the single seed pearl detail, circa 1900, 6.0 cm. high
Signed C Marcks & Co., Bombay Poona