Shigeyoshi Koyama ( 1940 - ) is a Japanese painter. Shigeyoshi Koyama s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 531.19 USD for Desnudo femenino in 2012 to 1253.58 USD for Pueblo (Cadaqués) in 2016 , based on the size and medium of the artwork.