Tim Blake Nelson was 53 in The Ballad of Buster Scruggs when he played the character 'Buster Scruggs (segment "The Ballad of Buster Scruggs")'.
That was over 5 years ago in 2018.
Today he is 60, and has starred in 81 movies in total, 15 of those since The Ballad of Buster Scruggs was released.
In The Ballad of Buster Scruggs, I think Tim Blake Nelson looks: