Watch List notes:

WARRING STATES: State of Qi, 400-220 BC, AE knife money (45.46g), H-4.6l, three-character knife, qi fa huo (the authorized currency of Qi) in archaic script on obverse, archaic shi on reverse, minor encrustation, lovely patina, Very Fine to Extremely Fine. A similar example and quality piece sold in the Champion Hong Kong Auction 11, lot 511, for $3600.

Estimate: 1,800-2,000 USD