Giovanni Pietro Ligari ( 1686 - 1752 ) was an Italian painter. Giovanni Pietro Ligari s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1400 USD for A Bishop Seated in a Niche with a Staff and a Bell. in 2004 to 6822.83 USD for La decollazione del Battista / The Beheading of St. John the Baptist, abasso a sinistra firmato in 2004