There were exactly 100 of these special editions made...this particular lens has never been used and has not even been taken out of the case by myself. I am the original owner. Never mounted....it has sat inside my display case for a very long time. SN is 3985567. It comes with every thing you see in the image...including the original box as well as all the extra items. A Great book "in german" that gives the history behind this infamous lens and Dr Mandler's involvement and passion about this lens....Here is your chance to own one of the last 100 F1's ever made!