all 4 of these pans were pretty crusted up when I bought them. An e-bath did the trick! the # 5 I bought at a flee market for 7.00. Was crusted over, and I couldn't see any markings on the bottom, so was thrilled when I cleaned it and saw the Wagner! My wife bought me the #8 pan at a yard sale for 1.00. It was very crusted over, so she thought I wouldn't care about it. When she handed it to me and I saw the "ERIE" my eyes popped out of my head. the 2 # 7's I got for 5.00 and 7.00 at a flee market and thrift store. Both needed a good cleaning. I love the way they all came out!! I have a good sized collection, but these are some of my favorites.