I saw a few of these listed on eBay probably more than a year ago now, converted to run on S scale with original boxes with a similar sticker, probably the same one. Not sure if I saved the auction pictures anywhere. I remember something with James being involved but also that there were a few auctions and one had the engine in the wrong box, so it could have been a Thomas or Percy that was being sold in a James box, not an S scale James conversion.
I have a website where I have been writing about and photographing many of the sets and pieces that I find interesting.