Re: Looking to ID a car
"y first thought was this car is a Mather, but I've never seen one with letterboards like this car. (The cars leased by the NP lacked letterboards, including the one carrying reporting marks and capacity data on NP's own stock cars pointed out by Pierre in one of his follow-up posts.)"
Following up on my last post, here are clearance diagrams of the NP Mather double deck cars.
(The URL and website description says "single deck", but this is a double deck car.)