The Restaurant Miniature Buffet is a British Railways Mark 1 railway coach. It is a Tourist Standard Open (TSO) coach with two full seating bays next to the centre transverse vestibule removed and replaced with a buffet counter and customers standing space, and one bay on one side removed and replaced with a store cupboard on the other side of the centre vestibule. They were built in five lots from 1957 to 1962.