Franz Christoph Janneck ( - ) is a painter. Franz Christoph Janneck s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3709.2 USD for Interieur scene in 2004 to 245000 USD for A musical banquet in a palace; and Elegant figures dancing and merrymaking in a palace in 2015 , based on the size and medium of the artwork.