from a film by the British Pop Artist Derek Boshier, the still features Alice Cooper, The Sweet, and, I think, Bowie
Boshier would later do the cover of Lodger, in collaboration with the photographer Duffy
his account of working with Bowie is about 33 minutes into this
Also here
Boshier also did artwork for Let's Dance, and stage sets (albeit unused) for the Serious Moonlight tour - when Bowie I guess was trying to re-glamorize himself - or at least become a pop superstar again
The image says "I'm fit and working again" - ready to fight my way back to the toppermost of the poppermost
And here's more on Boshier's working relationship and friendship with Bowie