Amandus Heinrich Adamson (after) ( 1855 - 1929 ) was a Russian painter. Amandus Heinrich Adamson (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 5900 USD for Tsarevich Alexei Nikolaevich in 2007 to 13750 USD for Tsarevich Alexei Nikolaevich in 2013 , based on the size and medium of the artwork.