Choo Keng Kwang ( 1931 - ) is a Singaporean painter. Choo Keng Kwang s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1500 USD for Net Fishing - Singapore River in 2008 to 7380 USD for Houseboats Along the River in 2014 , based on the size and medium of the artwork.