China
Warring States Period, Liang Dang Lie 1/2 Jin Spade ND (400-300BC), Liang Ban Shang Er Jin Dang Lie (possible interpretation), Hartill pg. 25, 3.43 (R2), FD-303, DCD-217, good VF with single hole. Very rare issue with some porosity.
Estimate: 1500-2000 USD