Nierozpoznany Autor ( 1900 - ) is a Polish painter. Nierozpoznany Autor s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3430.53 USD for Pejzaż z pasterzem kóz in 2008 to 4502.57 USD for Miasto nad zatoką in 2008 , based on the size and medium of the artwork.