Michael Powolny ( 1871 - 1954 ) was an Austrian painter. Michael Powolny s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 608.55 USD for A centrepiece with a putto holding bunches of grapes in 2004 to 17096.67 USD for A season’s putto personifying Summer in 2006 , based on the size and medium of the artwork.