Tang Yin ( 1470 - 1523 ) was a Chinese painter, one of the "Four Masters of Ming dynasty” (Ming Si Jia). Tang Yin s works have been put up for auction numerous times, with realized prices greatly surpassing estimated prices, varying from 6600 USD for Pine River in 2008 to a remarkable record 6804757.03 USD for The Pine Hill Studio in 2008 , based on the size and medium of the artwork.