Do a searchs for :- ( Cartridge case headstamps ) ( Mauser ammunition headstamps )
and several sites will come up . To post an image , go to full editor , click on upload attachment , click on browse and your files will come up , go to where you have the image saved and click on it , then click add the file . If the file is too large it will come back , The file is too big, maximum allowed size is 750 KiB. If that happens you have to resize your image to 750kb or smaller . If your on a PC download this free program to downloads folder then run the file , follow the install instructions it's easy .
https://download.cnet.com/Multiple-Imag ... 86287.html Play around with the program to learn how to use it . If you have trouble resizing an image come back and I will help .