I found similar threads elsewhere in my searching Ian and I appreciate the time you took to comment and provide a link.
By default, and since it is one of the examples provided, I think that I will go with "archival pigment print on paper" but since the submissions aren't due for a few days I still have time to change my mind.
Being a newbie to exhibiting adds a whole new learning curve to the hobby! Even if my images are not accepted into the exhibition I will have learned something new.
Now if only I could figure out a title for one of the images...