It's my view that you can run what you like on your own railway - I have a Class 47 Captain Sensible, just because I'm a Damned fan..
..but do what you like, it's yours..
This question must have arrived after I snuck in, I don't remember having to answer anything.
Anyway, I would have answered Saint Patrick Murphy to that question..
It does come up in a 'buffers' search - but so does rather a lot of other stuff...
I have a few more pictures of the Ballybrophy buffers, if you need them.