Adrian Collaert ( 1560 - 1618 ) was a Flemish painter. Adrian Collaert s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2334.76 USD for Avium vivae icons] 18 of 30 in 2004 to 7985.31 USD for Die zwölf Monate in 2005 , based on the size and medium of the artwork.