Antique Fine Silver Victorian Cannetile Coral Brooch

Antique Fine Silver Victorian Cannetile Silver and Red Coral Brooch. C Clasp is marked but I can’t make it out. I believe at least 900 silver it has been tested. Possible Chinese or Italian Export. EUC for age! Natural patina will remain! A little over 1 1/2” x 1/2” and weighs 3.25 grams. Thanks for looking.