The lens is from my Kiev 60 and is a 3.5/65. The body came with two cartridges which are for 6×6 and 6×4.5 and a WLF. They have serial numbers from the late 70’s to mid 80’s with the insides and outsides of the cartridges being from different years.
The setting of the spacing on the cartridge is not as simple as you would assume either as if you don’t have the body cocked, the cartridge number reset properly and the film starting in the right place you will get versions of this;
But if you get it all working right you get something more like this;