Pieter Coecke van Aelst I (attribute To) ( 1502 - 1550 ) was a Belgian painter. Pieter Coecke van Aelst I (attribute To) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 7443.25 USD for The Holy Family in a mountainous landscape in 2010 to 222522.39 USD for Triptyque: l'Adoration des Mages; la Nativité; et la Circoncision in 201