Selling one of my 50s.
M mount, 5cm (50mm) summicron rigid barrel. Serial number 1532796
Very good condition overall. Body has a few bright marks, no dents or deep scratches. Glass is clean, only a few dust particles inside. Aperture snaps into place perfectly. Focus ring is smooth. Comes with front metal cap and rear cap.
Looking for $720 shipped and paypaled.
Thanks for looking.