Jan Frans Van Dael ( 1764 - 1840 ) was a Flemish painter. Jan Frans Van Dael s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 114000 USD for STILL LIFE OF ROSES IN A GLASS VASE in 2004 to 365000 USD for Peonies, roses, tulips, an iris and other flowers in an alabaster vase on a stone ledge with fruit in 2015 , based on the size