The brothers are scheduled to fire up the furnace the next day, and are busy making a reproduction of Zi Fu Xin, a jue (wine vessel) from the late Shang made by a Prince Xin in memory of his father; thus the inscription zi (son) fu (father) xin (Xin family) that appears on the rim.
此一商朝晚期的酒器上頭刻有銘文「子父辛」3 字，是王子家族祭祀名叫「辛」的父親而製作的酒杯。