China, warring states, State of Qi, (c.400-220 B.C), five characters knife money, obv. reading "Ji Mo Zhi Fa Hua" (Jimo's Legal Money), rev. Pi Feng, (length 165mm), (weight 63.22g), (Hartill 4.2at). Evenly toned, fine and very rare.
With old collector's ticket.