Conrad Marca Relli ( 1913 - 2000 ) was an American painter. Conrad Marca Relli s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 84000 USD for X-L-31-62 in 2003 to 441600 USD for St. Cyprian's Day in 2006 , based on the size and medium of the artwork.