Chinese Archaic Bronze Mirror, Han Dynasty. Photo courtesy Doyle 

Of squared section with a raised outer border and a central pierced circular knop. Length 4 1/4 inches. Scattered very shallow dents to exterior rim. Scattered areas of green encrustation. Light surface scratches to reverse. Estimate $2,000-3,000 

Provenance: Sotheby's, New York, Sale 6028, May 30, 1990, lot 26 

Property from a Private American Collection  

Doyle New York. Asian Works of Art. Monday, September 16, 2013. http://www.doylenewyork.com