A hand (a foot? a paw? the base of an ornamental lamp?) on some kind of stone or masonry – a true classic of the Rumour Engine stable. Many such images have been observed through our ages of scrying the future, but even after all these years we still cannot hazard a guess at its owner.
Take a punt at what you think this nondescript prehensile appendage might be attached to on the official Warhammer Facebook, X/Twitter, and Instagram pages.