Willem Janszoon Blaeu ( 1571 - 1638 ) was a Dutch painter. Willem Janszoon Blaeu s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 76.61 USD for Dania Regnum in 2004 to 274903.23 USD for Le Grand Atlas, ou Cosmographie Blaviane; en laquelle est exactement descrite la terre, la mer et le ciel. [Premier] - douzième in 2006 , based