Hello Ron, Many thanks for your response. I'd be very interested to know what the Victorian Image Collection archive is. It's fascinating to learn that you've come across 10 different cdv mount styles for JH - I've recently started trying to track his output, its development over time, and of course the mounts are a great help in dating. Apart from an early plain back (123 King) and a playing card type (King Street), both of which I've guessed date from about 1865-7, I've only come across the one I posted, plus an earlier variant. I figured he used it throughout the 70s and perhaps into the 80s. Anyway, I would be over the moon if you could send me front and back scans of all those you mention, plus the cdv you can part with. Contact me at humphreyjohn[at]rogers.com regarding payment and method thereof (since I live in Canada). That's very exciting news. I'm trying to build up a database of his work.
By the way, his oldest son John (one of the 6 children you mention in the 81 census) went on to become an excellent photographer in his own right, but based in Wick, Caithness, from about 1889. Some of his work appears in a new little book by Christopher Uncles called "Memories of Caithness" (Stenlake 2004).
Recently I discovered a photo by JH senior of his first wife, Mary Gemmell, who died giving birth to John in January 1869 - she just having turned 20. The photo is 9" x14", just of head and shoulders, the dress touched up with oil paints and the face colourized. Quite beautiful. Nothing to prove it's by him, but it's certainly of her, and it would make sense that he took it. Dated maybe 1866-8.
It's too big to attach - as I've just found out - as is a self-portrait by JH dated (at a guess) around 1870.
Anyway, look forward to hearing back from you,
Kindest regards,
John Humphrey.