Vintage large green jade heart pendant with chinese character words big

Vintage heart pendant Large and heavy piece of green jade or jadeite carved into a heart shape Bail loop is marked SILVER It has what I think might be Chinese characters attached to the front It has lots of wear and patina, and there are dark spots on the front that look like maybe glue? It is still lovely as is, or maybe you can clean it up and polish it better. Ships fast! NARH8488IF6G8S