I found this one on the way home today. I can't see anything on the bottom but it's pretty dirty. I'm hoping it might be an ERIE 5th or 6th series. It's very light, flat, and no pits that I can see, and I got it cheap, so whatever it is I think it will turn out nice.
https://www.dropbox.com/s/887j7zmq0d4fssj/2017-06-19 18.54.54.jpg?dl=0
https://www.dropbox.com/s/5ffbpi89drv9b9p/2017-06-19 18.55.40.jpg?dl=0
https://www.dropbox.com/s/srr7i4z7fzn6h5m/2017-06-19 18.55.56.jpg?dl=0
https://www.dropbox.com/s/qabu5e0f499cq6v/2017-06-19 18.57.06.jpg?dl=0
https://www.dropbox.com/s/887j7zmq0d4fssj/2017-06-19 18.54.54.jpg?dl=0
https://www.dropbox.com/s/5ffbpi89drv9b9p/2017-06-19 18.55.40.jpg?dl=0
https://www.dropbox.com/s/srr7i4z7fzn6h5m/2017-06-19 18.55.56.jpg?dl=0
https://www.dropbox.com/s/qabu5e0f499cq6v/2017-06-19 18.57.06.jpg?dl=0