[Obsnold]

I think it's this one:

https://www.mediastorehouse.co.uk/fine-art-finder/artists/un...

[tome]

Ah yes, obviously that one, thanks!

Black marks for Google and Kagi, both of which found "The Witches" instead of "Three Witches".

[nerdponx]

This is oddly modern looking for being 500 years old.

[deathlight]

How about these https://egyptiangeographic.com/en/news/show/333

[runesofdoom]

I have read (though I can't cite a source at the moment) that what is sometimes taken as limits on talent/skill/material limits on medieval art was more often a stylistic choice.