Jozef Van Aken ( 1709 - 1749 ) was a Flemish painter. Jozef Van Aken s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 990.37 USD for A FOLIO OF DRAPERY STUDIES in 2004 to 18000 USD for A musical party on a terrace in 2005 , based on the size and medium of the artwork.