Set of six 18K 750 thousandths gold tie or hat pins, includi - Lot 31

Set of six 18K 750 thousandths gold tie or hat pins, including : - an insect-decorated pin, the abdomen set with a ruby and a sapphire, the wings adorned with rose-cut diamonds (hallmarked eagle head). Height: 7.8 cm. Gross weight: 2.53 g - a pin set with a cabochon opal measuring approximately 8 x 6 mm, set with six rose-cut diamonds (hallmarked eagle head). Height: 6.5 cm. Gross weight: 1.46 g - a pin set with an old-cut diamond measuring approximately 3.3 mm in diameter, in an openwork setting of interlaced curved lines (hallmarked eagle head). Height: 6.7 cm. Gross weight: 2.12 g - two pins, one with an old-cut diamond measuring approximately 4 mm in diameter, in unmarked gold and silver. Height: 4.5 cm. Gross weight: 0.87 gr; the other of a stylized flower partially set with rose-cut diamonds (hallmarked eagle head). Height: 6.7 cm. Gross weight: 1.64 g - a hinged glass medallion pin measuring 9.8mm x 8.5 mm (hallmarked ram's head). Height: 4.6 cm. Gross weight: 1.14 g Literature: These pins generally consist of a head on the back of which is welded a pin, long or short, smooth or twisted, which its pointed end was used to prick into ties and shirts to join them together.