Johann Nepomuk Mayer ( 1805 - 1866 ) was an Austrian painter. Johann Nepomuk Mayer s works have been put up for auction numerous times, with realized prices varying from 2960.77 USD for After School in 2011 to 3218.28 USD for Girl with Bouquet of Flowers set in a landscape in 2012 , based on the size and medium of the artwork.