Strange Planar 215mm F4 lens

[hudilafulianji]

Strange Planar 215mm F4 lens
I have seen a strange russian lens which write planar 215mm F4 on the front ring.Does anyone know this lens？
150354
150355

[J. Patric Dahlen]

Does it say "Portret" and "Repro"? Maybe the "planar" means that it's a flat field process lens.