I am looking for either pre-asph Summilux 50mm with built in hood E46 version or Zeiss Sonnar 50mm optimized at F1.5.

I have Summicron 50mm current, Elmar 50mm latest, or Canon 50/1.4, Summarit 50mm F1.5 for (partial) trade.

Please let me know if you have one for sale or trade.
Thank you.