北宋宣和通宝小平背陕铁母 极美品NORTHERN SONG: Xuan He, 1119-1125, AE cash (4.12g), Shaanxi Province, H-16.500s, slender golden script, medium shan above on reverse, tie mu "iron mother", a copper mother coin for iron coin type, VF, RR, ex Zhao Quanzhi Collection.
北宋宣和通宝小平背陕铁母 极美品NORTHERN SONG: Xuan He, 1119-1125, AE cash (4.12g), Shaanxi Province, H-16.500s, slender golden script, medium shan above on reverse, tie mu "iron mother", a copper mother coin for iron coin type, VF, RR, ex Zhao Quanzhi Collection.