Past AFTE artricles (“Bunter Marks and What Do They Mean?” By Ronald Dodson & Joseph Masson, AFTE Journal Volume 29 1, Winter Journal 97′ and “The Formation and Persistence in the Cartridge Casehead Forming Process, by Bill Matty AFTE Journal Volume 15 1, 83′, page 108) which have focused on the individuality of bunter marks.