Johannes Baptista Van Acker ( 1794 - 1863 ) was a Belgian painter. Johannes Baptista Van Acker s works have been auctioned off multiple times, with realized prices varying according to the size and medium of the artwork, for instance of 274.88 USD for A Lady of the Harrington or Wright family, wearing green dress with white gauze collar, red shawl over her shoulder and white la in 2007