>>95967640
In the case of that piece from your pic, GW doesn't own it as the artist who did it quit working for GW because he did this full two-page spread, but they only wanted one page of it so he managed to get it back.
There is some 4th or 5th edition art, mostly Mark Gibbons' stuff in the AJs and I think FoF

>>95957953
The Empire's Northern Renaissance aesthetic is somewhat distinct, few fantasy settings have their main setting be the early modern in inspiration.