I decided to order Matte Black Steel version which arrived couple of days ago. I was not disappointed! The mask is absolutely marvelous! It looks and feels way better than I ever could have imagined!
Metallic version of the mask feels cold and little heavy compared to the other plastic masks I ordered. The colour of the mask is darkish ash grey (pretty close to #3A3C3D) - not quite as dark as in the preview image. The grain is small and soft (I can hardly feel it with my fingertips). In my opinion it gives the mask a gorgeous texture.
Not sure if the material type plays a role here, but my mask does not suffer from any of the issues buyers of the plastic version have complained. The outlines are all clear and sharp - I can not spot or feel fraying of any kind! The mouth piece and the axe hole on the top are both very (!) firm (I have to apply some force before the pieces fully connect together). Metru/mata head pieces connect without a problem and the eyes are clearly visible.
All in all, this mask was worth its price tag! I was definitely surprised by the good quality of the metallic version. If I had to pick something to "complain" about I'd choose the grain - then again I believe the smooth texture makes the mask look even better.