There is a new lens in town.
This design variant of the Summicron-M 28 f/2 ASPH. features a matte black finish and light green engravings. It has an integrated lens hood which extends via quick twist.
The EU price is €4,300.00, just 50 euros more than the regular black anodized version.
More information: https://leica-camera.com/en-int/photography/lenses/m/summicron-m-28-f2-asph-matt-black-paint-finish