Looks like a Hiro BM custom Damascus belt knife, from Seki City, Japan. I can't tell if it;s the lighting or the actual blade, but, it looks like true Damascus, and not the laminated stainless they do in Seki City.
I'm feeling bearish, and I'm packing a Wusthof Grand Brisket slicer from MABA
Whip It Off, Chambers!
"perhaps...but then again...maybe not..."