I picked up this in a group lot, I think it may be a fantasy or replica of a greek silver coin, but I can't be sure. I also picked up what I think is a roman (edit autocorrect changed roman to romantic) provincial tetradrachm, but I'm not sure.
Agree the second is Cornelia Salonina, on the basis of the inscription and portrait. I have two Salonina tets in my collection, year 14 and 15:
The first "coin" appears to be an old jewelry piece made to somewhat resemble an ancient coin, on the reverse it looks as though there is some old solder from it's mount or suspension loop visible.