Yamamura Koka ( 1885 - 1942 ) was a Japanese painter. Yamamura Koka s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2883.63 USD for The actor Morita Kan'ya XIII in the role of Jean Valjean, 1921 in 2006 to 3776.18 USD for Dancing at the New Carlton Hotel in Shanghai, 1924 in 2006 , based on the size and medium of the artwork.