Absolutely, they often bought things that couldn't be sold in the UK. Which brings us full circle to the mysterious "Japanese lists" at Soul Bowl. I asked to be put on "the list" at the time, but never saw it .
But I am drawing my comparison with the container loads of stuff that has been coming here since the end of the 60s. When I was growing up in London there must have been at least 50-100 shops in London selling imports. Not so much the rare stuff, but imports nonetheless. Loads of overstocks ended up at places like Black Wax in Streatham, Bluebird, Chequers (Croydon) and so on. It's well known that in the late 70s / early 80s I picked up Brand New in Petticoat Lane, Wil Collins x 2 (Bareback) in Mile End, Alfie Davison in Croydon, Bill Brandon "Streets" in Streatham, Bobby Hutton (ABC) (Walthamstow), Living Color in Leytonstone and a host of others for 10p-30p, all of which had come in as new imports. Fabulous days I'd just walk around all day looking for records.