70-72 Dart Fenders, Weird

Hi All, has anyone ever come across a fender that was punched for a 70 sidemarker and a 72 side marker? Looks factory. Thoughts? I have a new Iphone that is HEIC format on the pics, cant get them to upload .I'll get some pics tomorrow om my old phone and update.
UPDATE- Got pics! What's the deal?
Thanks, Bob