Guillaume Cowper ( 1666 - 1709 ) was a painter. Guillaume Cowper s works have been auctioned off multiple times, with realized prices varying according to the size and medium of the artwork, for instance of 37917.69 USD for Anatomia Corporum Humanorum Centum et Viginti Tabulis ... ad Vivum expressis. Utrecht: Nicolaus Muntendam, 1750. in 2006