The "International" line is post Transition. I've also heard that Nording produced pipes for Barling but don't have any firm info regarding that. I'm hoping to do some research next year on the later post family period that will fill out the Pipedia page. The styling on this one is beautiful and it looks to be a very nice pipe.
The later Barling pipes get an undeservedly bad rap. I own pipes from all periods, going back to 1897, and all of them, except one, have been great smokers. The only bad Barling that I have is a small bent from 1921! So not all family era pipes are good and not all post family era pipes are bad.
The first Barling I ever owned was a post family era Canadian and it kicked ass! Unfortunately, I smoked that poor defenseless pipe into the ground. But, it hooked me on Barlings.
I have one of those "Presentation" pipes and it's well made and just a lovely smoke.