Colonel John Seymour ( 1680 - 1740 ) was a British painter. Colonel John Seymour s works have been put up for auction numerous times, with realized prices varying from 150.21 USD for Deux dessins de têtes d'enfant regardant vers la droite in 2005 to 156.66 USD for Head study of a man in 2014 , based on the size and medium of the artwork.