This could turn out to be a long thread :).
I see it from the point that collectively we have a lot of stuff that never sees the light of day and I’m delighted if I can contribute to the wider knowledge base. I found that the photo slot didn’t seem to generate the same interest as the Historic one does.
I would say to some though, if someone answers your particular query at least just acknowledge the fact. As I commented on another site, the internet doesn’t magic info it’s put there by folks who have built up libraries and are prepared to share their treasures.
John