Hello, Please be assured that variations in the aesthetics of our natural aluminum pans are completely normal. These variations do not have a negative effect on performance or safety. Your pan will perform perfectly and is safe to use. It's important to note that over time, you may observe some natural wear from regular use, such as minor discoloration, scuffs, or marks from utensils or cleaning. Cheers to well-loved and trusted pans that help create cherished kitchen memories ♥If you still need assistance please reach out to the Nordic Ware Customer Experience Team at info@nordicware.comKind Regards, Nordic Ware Customer Experience Team