Gerrit Zegelaar ( 1719 - 1794 ) was a Dutch painter. Gerrit Zegelaar s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1709.84 USD for Schlafender Kavalier in 2005 to 25064.72 USD for A SELF-PORTRAIT OF THE ARTIST, HALF LENGTH, AT A WINDOW, WITH A PALETTE AND PAINT-BRUSHES ON THE WINDOWSILL in 2008 , based on the size and medium o