NORTHERN SONG: Xuan He, 1119-1125, AE cash (4.29g), H-16.467, seal script, small size, possibly a mu qián (mother coin), EF, RRR, ex Zhao Quanzhi Collection. Calligraphy attributed to the Huizong emperor. He invented the "Slender Gold" style of calligraphy and was known as a great painter, poet, and calligrapher.
Estimate: 500-700 USD