The eyes do stand out a lot to me so it's not something I would buy myself, but I like the unique-ness of it. You could probably get 350 - 500 mush for a headshot, 450 - 600 for a bust, 600 - 800 for a halfbody, and probably somewhere by 750 - 1,000 for a fullbody. With your backgrounds, 100 - 250 mush extra seems good. The cheaper options are kind of suggestions for simpler requests, the higher for complex unless you like the difficulty somewhere in the middle could be nice.
But if you think those prices are low, price it how you want because you will have customers who will buy anyway. You'll be happier with making art if you're the one who prices it as well. With the prices I suggested, I think you'll have a decent bit of customers at a time which could be overwhelming. You could limit it to slots, and/or a watlist but it'd be a lot of art. So however much time you have and how many buyers you want.
Now I don't know tooooo much about the art market, so my price suggestions could be off.