The lens and shutter on that 10x15 does appear to be the same as this lens. I do not have the camera or the lens with me, just some hastily written notes I made when asked to look up what I could find, so no pictures as of right now, nor can I come up with serial numbers. If he decides that my friend should sell it for him, I would take pictures and document likely date of manufacture. There is nothing notable about the back though, Gandolfi, the lens is on a basic Toyo-made monorail 4x5, not it's original camera. The flange is black enameled brass.

The camera needs a bit of a tune-up and my friend has asked me if I want to take it home and get it all in good working order, so I may go get it today and shoot some film with this thing. Perhaps I'll even want to make an offer myself for the package and then sell off the camera to help make up the money spent on the lens. I feel a GAS attack coming on, and I'm trying to cut back, but...