Giovanni Battista Piranesi & Francesco Piranesi ( 1720 - 1778 ) was an Italian painter. Giovanni Battista Piranesi & Francesco Piranesi s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 196.29 USD for Trofei di Ottaviano Augusto. in 2006 to 10980 USD for Differentes vues de quelques Restes de trois Edifices qui subsistent encore d