A Wagner ( 1838 - 1919 ) was a Hungarian painter. A Wagner s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 621.29 USD for Jeune garçon et sa soeur lisant in 2011 to 5117.87 USD for Abendstimmung am Bosporus in 2012 , based on the size and medium of the artwork.