Please help me to identify this mark on this pendant. https://78.media.tumblr.com/9ea3f7f1e87910c026b099aed1001e52/tumblr_p4bctmXT9E1qf1xpeo1_1280.jpg https://78.media.tumblr.com/6fe995db6e1a55735138052aa8edb97b/tumblr_p4bctmXT9E1qf1xpeo2_1280.jpg https://78.media.tumblr.com/0028eab6768310529c337a2...