Irish Celtic Claddagh 10K pierced earrings and matching pendant SD C Stamped

Passed 10K streak test. See photo. Dissolved at 14k. I have not taken these to a jeweler just tested at home. Very small- pierced earrings are .5 inch. Pendant is the same size. These look just like Solvar which are sold at Dublin Castle- not sure if SDC is their hallmark. All 3 pieces are hallmarked on the back SD and C. See all photos.