Yes, it's the return of one our favourite models - Maude Jefferson.
Alas, you can't see her face, as she is...well ... I guess that some of the younger blog-readers might not recognise that pose.
Clearly, Maude is photographer her chums with a Box Brownie type of camera.
Bonus - This should have been yesterday's Bonus, but 80 Years since The Brocklesby Miracle