Lego brickheadz - 41631 Newt Scamander and Gellert Grindelwald 3D model | CGTrader
Grindelwald´s Escape 75951 | Fantastic Beasts™ | Buy online at the Official LEGO® Shop US
Gellert Grindelwald - Brickipedia, the LEGO Wiki
I tried to make a more accurate version of the Gellert Grindelwald minifigure in Photoshop. Now his outfit looks a lot more like The Crimes Of Grindelwald outfit as you can see