moon in pyjama pin with tiger eye, ruby and diamond

An 18 carat yellow gold stick pin with a round tiger eye engraved with a face of a sleeping moon. He wears a silver nightcap set with small rose-cut diamonds and with a tassel. Under its chin, a small rose cut ruby set in a flower shape gold setting and a silver collar, French with gold marks and a master mark, circa 1890.

weight: 4.73 grams
measurements: 8.7 x 1.1 cm