This is an all synthetic brush that has zero maintainance and will not change in apperance over time apart from picking up minor scratches with continous use, those can be polished out with a rag and metal polish when you have a bit of idle time on hand. It is a darker brush, the base colour is black and it has some mottled, glitzy spots and streaks, quite nice to look at with a good light source shining onto it.
This brush is fitted with a 26mm synthetic Tuxedo knot, it weighs 106 grams, stands 135 mm high with a loft of 58 mils. It is just under 26 mm on the waist and 40 mm diameter at the widest point.