Lorenzo (piero Di Giovanni) Monaco ( 1370 - 1425 ) was an Italian painter. Lorenzo (piero Di Giovanni) Monaco s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 222731.44 USD for SAINT PETER SEATED ON A BENCH, HOLDING A BOOK AND KEY in 2005 to a remarkable record 3615000 USD for The Prophet Isaiah in 2019 , based on the size and me