There is a stamped metal model logo "IBM Kartenmischer" on the top of front panel. There are numerous scratches and stains all over the artifact. The label "Aufst.datum 01.12.59" is found of the top front left of the collator area. There are 4 card bins. Circuit diagams were found inside the machine and were sent to archives.
International Business Machines Corporation (IBM)
Front top left of artifact
Computer Museum Aachen deprecated registration number written in marker pen on upper left corner of front panel