Johann Konrad Fasi Gessner ( 1796 - 1870 ) was a German painter. Johann Konrad Fasi Gessner s works have been auctioned off multiple times, with realized prices varying according to the size and medium of the artwork, for instance of 20000 USD for A bound sketchbook of 67 studies of flowers, with thirteen unbound sheets of studies of flowers and a lithograph of a view of He in 2009