Loris, I appreciate your comments and respect your opinion. But the answer to your comment below is, in my mind, simple.

Hoping you'll find a labeling / disclosure method that works both for you and your clientele.
100% analogue from camera to print. For full details see here (and a link)

or

Printed from a digital negative. For full details see here (and a link)

Regards and thanks to all who posted.

Mike