I found this #9 today, has what looks like a small 373 on the bottom. Maybe a 378 or 379, based on my research, but I already dropped it in the lye tub. The prognosis seems very good for it to be an unmarked Griswold.
Quick Links: · Main Website · How to Identify Unmarked Pans · All About Cleaning & Seasoning · Reproductions & Counterfeits · Commonly-Used Terms