Pottery Tiles (2000GSGgT3107⑯: 467) , measuring 31.6 cm in length, 21 cm in width, 5.5 cm in height, and weighing 1.54 kg. Unearthed from the inner side of the Sanxingdui city wall. Made of gray-black sandy pottery, broken into several pieces and later reassembled. These tiles may have served as building materials for large palace structures.