Vintage Christian Silver Crescent Moon Brooch with Cloisonné Virgin Mary Charm

Beautiful vintage silver crescent moon brooch.  Moon has raised circles that give the look of marcasites.  Dangling from the apex of the moon is a religious medal charm with light blue cloisonné enamel depicting the Mother Mary, (Virgin Mary) and on the back an embossed cross and TM.  Pin latch is secure.  Measures 1” long and 0.5” wide.  The dangling charm is 10mm long.