Ten gold stick pins. Including a pin mounted with an unidentified black mineral

Ten gold stick pins. Including a pin mounted with an unidentified black mineral, a pin mounted with an ammonite cross-section with filigree silver surround, a pin designed as a pansy and set with diamonds and bearing French marks, an unusual pin set with diamonds and a revolving egg form spinning section mounted with a cabachon emerald and cabachon sapphire with rubbed model number to the end, a pin mounted with a gold chrysoberyl, a heart shaped red twin crystal, a circular porcelain pin painted with a fox mask, a small pin set with a rose cut diamond, a small pin set with a ruby and a pin set with a seed pearl.