The Esh bass seems to be mostly on older pictures. The recent ones show a MusicMan Stingray 5 (?).
Some websites make reference to an ESP Surveyor as well, found a picture of that one as well.
And then, there’s a picture of a Sandberg Fourty Eight on his Instagram
https://www.instagram.com/p/CWBCo7VMEUs/?utm_source=ig_web_copy_link