Well well, a couple of these look familiar Keith! Good to see the whole set.;)

I wasn’t aware they were part of a set. As I have said I found them in an old suitcase of photos which belonged to my late step-father Maxwell Turner who was on the Tracker and whose picture is above. Apart from the rockets being censored which implies an official source as I have said above, some of them have stamped on the back HMS Tracker – not to be sent through the post. Three of them have handwriting on the back with no official stamp.
From what I can ascertain most of them are a batch of pictures which must have been obtained by members of the crew as they seem to have appeared elsewhere including the U-Boat attack ones.