Diamantis Diamantopoulos ( 1914 - 1995 ) was a Greek painter. Diamantis Diamantopoulos s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 4265.15 USD for PLAYTIME in 2003 to 139554.84 USD for SEATED GREEK SERGEANT in 2008 , based on the size and medium of the artwork.