That might be a bit of an ask unless someone here happens to have one. There are plenty of Carlton owners on here though.
Otherwise, it might be best to put a pair of wheels on it (or ask the owner to do it) and take a picture side-on. Then you can decide if it’s going to be right. There’s a pretty good side-on shot here:
https://thevelocollective.com/raleigh-carlton-longfellow/
It has a fair bit of rake (curve forwards) in the forks, so it is low trail by today’s standards.
Bit about trail here if you’re not familiar with the geometry etc:
https://analogcycles.com/pages/debunking-low-trail