NORTHERN SONG: Xuan He, 1119-1125, AE cash (3.01g), H-16.468, clerical script, regular style, possibly a mu qián (mother coin), lightly tooled, EF, RR. 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: 150-250 USD