Lin Zexu ( 1785 - 1850 ) was a Chinese painter. Lin Zexu s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 27500 USD for CALLIGRAPHY COUPLET in 2011 to 201223.44 USD for Seven-character Couplet in Running Script in 2014 , based on the size and medium of the artwork.