Theo Siegle ( 1902 - 1973 ) was a painter. Theo Siegle s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 174.13 USD for Porträtkopf Franz Josef Kohl-Weigand in 2009 to 4172.24 USD for Porträtkopf F. J. Kohl-Weigand in 2010 , based on the size and medium of the artwork.