Adalbert Defner ( 1884 - 1969 ) was a German painter. Adalbert Defner s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 190.51 USD for Innsbruck: Maria-Thersienstr. in 2012 to 549.65 USD for portfolio with 50 photographs of Tyrolean Landscapes and Innsbruck in 2014 , based on the size and medium of the artwork.