Three paintings by Karl Ernst Lange can prsmotret at
http://www.artnet.de/artist/718283/k...nst-lange.html
Image quality, though not very good. Your job, in my opinion, more "graphically" on fashion. And the Germans do not change the order of names (if there are several) in the signature, sometimes only leave a first name, so that your EK Lange, apparently, not the same. Try searching the name on the
www.ebay.de, now there it is true, no, but can "float" after some time.