Below is the photo-sketch, combining the reference photo with the thumbnail sketch.

Below is the line drawing from the photo reference, with additional mustaches, eyebrows, and eyes.

Below is an in-progress step, building up the mustache, determining the palette, adding the background wheel pattern.

The first session in the print studio went well. I printed the yellow background and the pink skin color. The next session though I messed up when I left a ruler under the paper (a positioning method I was using) which caused the orange ink to darken at the edge of where the ruler sat (see the arrows in the bottom image below). After three prints, I realized what was happening and tried to fix it, but ended up getting ink on the bottom of the screen, just a number of mess-ups with the third ink.
The fourth ink started out well but my pulling technique needs more practice, ink again gathered under the screen (I think I pull too much ink). Later I realized the yellow and pink were too dark anyway, so a failed print, but hopefully a good learning experience.
Below are some process images from the screenprinting sessions.

For the exhibit then, I made a banner print, larger than what the screen print would have been which was good, and on Epson Fine Art paper, a sharp image on a soft cloth-like paper.

Exhibits, Personal work, Process