For Trade WTT my Summicron 50mm type 3 for your M.S Optical 50mm F1.1

So i have a Leica Summicron 50mm Type 3 in very good shape with booth Leica Caps.
My lens has some barrel wear and a speck of dust, other else perfect.


I'm looking for a M.S optical 50mm f1.1.





















W