Rodenstock Omegaron 90mm f/4.5 Darkroom Enlarging Printing Lens M39 Mount V23

This vintage M39 screw mount Rodenstock Omegaron 90mm f/4.5 darkroom photo enlarging/printing lens does not come with its retaining ring. There are a couple of scuffs on its exterior and a couple of light marks in the coating on the front element.