As to signatures...

On the back and on the mountboard does seem to be the most archival and the most common among classic photographs in museums. Seems like Ansel made that kind of a standard?

And to Barronfoxx...

You ask an excellent question. It should be it's own thread so it doesn't get lost down here.

How about this: it's art if you say it is, as the artist. It's fine art of the rest of the world agrees.

dgh