NORTHERN SONG: Yuan Fu, 1098-1100, AE large cash (14.39g), H-16.336, a likely tie mu or "iron mother", a copper mother coin for the iron coin type, VF, RRR.
NORTHERN SONG: Yuan Fu, 1098-1100, AE large cash (14.39g), H-16.336, a likely tie mu or "iron mother", a copper mother coin for the iron coin type, VF, RRR.