Hello, I am hoping for some help identifying this piece of jewelry. The mark 925 is clear but I'm unsure if the other is the initials TH. I believe the stones are Marcasite. Any help would be great. Thank you... :) https://a9h8dq.ch.files.1drv.com/y4mvnnHvAupyPVYtmV-cL_A3v-19st5JuCfxmak1wslH0OqAJtzS...