Phil,
Fair play, I did have a better chance than most on this one I used it nearly every day for 3 years.
I was the manager of WR Advertising on Holyhead Rd., next door to the New Inns, and always went there for lunch ( not the New Inns) if I was not on the road.
Favourite was Corned Beef, mash and peas, with a nice little touch of a knob of butter on the mash, like you say, always packed and good food,
he (can't remember his name) stood no nonsense.
A guy came in one day and asked for half egg sandwich, his reply "" and
what am I supposed to do with the other effing half" Well done Dek, looks like you're on your own next time.