Jose Berrio shared a really cool project of personal poster design on his Behance profile. They have all this dirty look, with some very stylish typography and textures.
Ola Jasionowska is a graphic designer and illustrator from Warsaw, Poland with some amazing illustration work. I particularly love the posters created in 2017 and shared on Behance. When I saw the poster design project, it kind of reminded me of Saul Bass poster and style, very simple and bold. The color palette and combinations are also top notch. I could have all of these posters hanging on my walls, but my favorite has to be the David Bowie one. Below I selected some posters to get you inspired to, perhaps, try to create your own version in Illustrator.