John Clem Clarke ( 1936 - ) is an American painter. John Clem Clarke s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 981.35 USD for Bathers ou Rocks. Figures to the night. 1970 in 2004 to 6875 USD for Plywood with Studs in 2011 , based on the size and medium of the artwork.