Thanks! Looking at your comparison right now - admittedly without a reference at hand - I actually think that 121 is an improvement on both counts. But I'll check that.

The lid "profile" might actually be a but more rounded in reality, which could be the reason Antonia's appear too thick. Also, a real person would have a little reflective tear "rim" between the inner edge of the lower lid and the sclera and iris like in V4. Antonia doesn't have that, because I figured if someone needed that level of realism, they'd probably be more than competent to make a prop or use some  material trickery to achieve the effect.

Anyway, not to discourage you. With all the things you've spotted, I think by now you must have earned yourself the title "Kind of Antonia testers" or something like that.

-- I'm not mad at you, just Westphalian.