Looks to a be Kra 2000 series. The big decal was factory on those. Kra 2000 are a "value" version of the ball bearing Kra 4000. Cheaper slides and casters, basic box is the same. That said, it could be a little older then the 2000 series. The top could be friction slides, basically a full drawer version of the 9 drawer Kra 59. The bottom could also be a friction slide 3000 or an early ball bearing 4000 before the drawer arrangement changed. What I'm trying to say is my first option is most likely, but there others it could be.