Giovanni Antonio Boltraffio (attributed To) ( 1466 - 1516 ) was an Italian painter. Giovanni Antonio Boltraffio (attributed To) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 30695.44 USD for Saint James the Less, bust-length, looking to the right in 2005 to 51159.07 USD for Saint John the Evangelist, bust-length, looking down