Chriscrawfordphoto
Real Men Shoot Film.
No, they're filed. The filing is done irregularly, not straight, while the lines outside the main border are caused by reflections from the unpainted metal revealed by filing the carrier. I ruined two carriers trying to get one looking 'right' when I was young and dumb. :bang::bang::bang::bang: I had a Beseler 23cII...the carriers were $75 each back then and back then people were not giving darkroom gear away just to get it out of the way. :bang::bang::bang: