Vintage Sterling Silver Prayer Box with 9 inch sterling silver chain from Italy

Beautiful prayer box pendant with chain. This item was purchased in Italy. Read the last picture for what a prayer box can be used for. The chain measures 9 inches long with a locking “c” clasp. It is stamped Italy 925. The pendant measures 13/16 x 5/16 inches. The locking lid opens. It could use polishing. From a smoke free home.