This is a Chinese antique Jade pendant .in the pendant both sides top with the two dragon.front engraved with two rat and a "RU YI". opposite is the "JI XIANG RU YI" four words. in the visible light small cracks. otherwise. is a good condition. size is H: 2.1." (54mm). W:1.5 (38mm)  thickness: 0.25" (7mm).