Six gem-set stick pins

Six gem-set stick pins, including an untested pearl-mounted platinum stick pin by Cartier, signed; a ruby and diamond target stickpin, a stickpin mounted with a ruby and suspending two untested pearl and diamond drops; a stickpin designed as a horseshoe, set with lapis lazuli and diamonds; a stickpin set with a diamond and a diamond rondel suspending an untested pearl; and a freshwater pearl stickpin.