Are you sure you've not confused them with someone else Jay. There advert says:
We have built up an enviable reputation for quality, commitment and customer satisfaction.
i wish I had a picture.... they look as if they have been set free from the nearby Twycross Zoo...
I would walk the other way if encountered in a dark place!
Theres about 6-8 of them.. they all go around wearing black and yellow t-shirts branded R&W, apart from the boss who I supposed has to look a little more humane.
Im just trying to verify but im sure that SL55 had way more than 31K on the clock too.