TK316 is brief for TUSK Stainless Steel, which indicated that the jewelry will remain stainless and you'll have no issues cleaning it. The indicating of “JP 88” can vary with regards to the jeweler, nation of origin, and specific marking technique applied. If your mystery of “JP 88” persists, look https://trevordular.wssblogs.com/36775636/jp88-no-further-a-mystery