Giovanni Battista Piazzetta ( 1682 - 1754 ) was an Italian painter. Giovanni Battista Piazzetta s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 162.4 USD for Sanctus Paulus in 2004 to 257000 USD for SAINT THERESA IN ECSTASY in 2013 , based on the size and medium of the artwork.