Franz Michael Sigmund Von Purgau ( 1677 - 1754 ) was an Austrian painter. Franz Michael Sigmund Von Purgau s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 9571.49 USD for Still life with a thistle, a bullfinch, a thistle finch, and butterflies, including a large garden white, a blue, and a painted in 2007 to 15810.04 USD for St