I think you may be right, Toothy Grin. Also some of the book covers in the background look very 90's-ish. Good observation, T.G. Also TOM's face wasn't as full back in 1987 from the pictures I've seen of him. The 'Who On Earth Is Tom Baker?' book signing tour, as you said T.G., has got to be it.
" 'Wibbsey' would be a wonderful word for pillow talk, wouldn't it? Especially if you said it softly..."
Doctor Who Magazine #425 (Interview)