A collection of three stick pins and four brooches, early 20th century

A collection of three stick pins and four brooches, early 20th century, comprising: three gold stick pins, capped respectively with a sphere set with step-cut rubies and rose-cut diamonds, a dachshund with ruby eyes, and a chick set with rubies and rose-cut diamonds emerging from an egg, longest 7.6cm; a brooch designed as an arrow, set with a natural pearl measuring approximately 7.8mm diameter, and a circular-cut rhodolite garnet, accented with rose-cut diamonds, mounted in gold, length 3.3cm; and three matching bar brooches, set with step-cut rubies, rose-cut diamonds and pearls, each mounted in gold, length 2cm each, pearls untested

A verbal report from GCS states that the pearl in the brooch of arrow-design is natural, saltwater, the remaining pearls untested.