Franz Joseph Spiegler ( 1691 - 1756 ) was a painter. Franz Joseph Spiegler s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1201.15 USD for Gottesmutter erscheint den Mönchen in 2004 to 1912.96 USD for The Virgin Mary presenting a rosary to a saint in 2006 , based on the size and medium of the artwork.