HALLMARK IDENTIFICATION BRACELET

HI…I HAVE LOOKED ALL OVER THE INTERNET TO FIND THE HALLMARKS ON THIS BRACELET BUT CAME UP WITH NOTHING CAN ANYONE HELP AND TELL ME WHAT THE HALLMARKS ARE PLEASE…THERE ARE 3 STAMPS 1 LOOKS LIKE A STAR IN A CIRCLE 1 IS 875 AND THE LAST ONE LOOKS LIKE A LETTER F…