Nilsson has used two different masks this season. The first shown below is the one he wore at the beginning of the season until some point in January it seems.
Artist: Dave Gunnarsson
From the artist: "Anders Nilsson and I have been working together for so many years. Anders' new Buffalo design is a direct continuation of his previous mask designs with the crossed sticks in the middle, but this time we of course switched it to crossed sabres⚔️. It is created in a retro style and with a matte finish. It gives a crisp and clean look on a distance☁️, a design that live and breath the Sabres, and when you come closer🔍 the mask transforms into a Storyteller mask, you will find his son and dog and more..."