Celtic brooch signed 96 St Justin, silver tone, vintage jewelry

Brooch is in good used condition and kept in a clean smoke free home. Mild wear noticeable on back, vintage The St Justine website mentions pewter- I am not sure of metal used. 6mm round orange glass design in center. Celtic design. Signed St Justin 96 2 3/8 round silver tone metal brooch. #celtic #brooch #silver-tone