I think the karger and Steinfeldt back scans were mixed up and this
is the karger back.
http://www.ebay.com/itm/1909-11-T206...sAAOSwIgNXnjhw
The seller corrected the back scans here's the correct back for the Karger that he originally had in his Steinfeldt listing.
http://www.ebay.com/itm/1909-11-T206...IAAOSwqfNXnjd1