The youngest of the thirteen stood up: "The dual appraisal result from both machine and manual checks indicate that this toilet-shaped ceramic artifact is indeed from the mid-to-late Tang Dynasty, with no traces of alteration. Mr. Sun, it's useless for you to get angry; this is the final result. We thirteen people have confidence in our professional knowledge. As for the logic issue, Mr. Sun, please invite a historian to resolve it."
Upon hearing these words, the man referred to as Mr. Sun turned red and white in the face. He suddenly snatched the porcelain piece displayed on the table, flipped it over to reveal the bottom, pointed it at several experts, and shouted violently: "Then who can tell me what THIS is all about?!"
Everyone once again looked at the bizarre bottom of the porcelain, where there were several bright cinnabar Simplified Chinese characters: