Spectacular Vintage Silver Charm Bracelet with Race Horses

this amazing vintage charm bracelet has 12 charms engraved with what I believe are racehorse names along with a date, possibly of a race that the horse won. All of them date from 1971 and 72. The bracelet is 7 inches long and it weighs 68.78 grams. it has a strong clasp and a safety chain. It makes a lovely musical sound when worn and is a very unusual vintage find