A horse-racing reverse painted crystal intaglio panel bracelet and two brooches

A horse-racing reverse painted crystal intaglio panel bracelet and two brooches
The bracelet composed of four oval panels depicting a different horse and rider in full gallop, the central circular one depicting one jumping a hedge, the connecting links modelled as bits or stirrups; each brooch set with a circular panel of similar design, one within a ropetwist frame, the other mounted on a safety pin