Lovely 1888 Sterling horse shoe brooch w "paste" glass "diamond. Made by Marson & Jones, Birmingham silvermakers. The leaf details are made more vivid w the patina/oxidation which it has acquired over time. It can be cleaned further, should you desire. This beautiful pin closes w a T bar hinge & simple C clasp and is signed & hallmarked. It measures .75" x .75". Would be lovely in the dressage ring.