help wanted to identify this leather belt part thx

[glaser]

[ATTACH]4564316[/ATTACH]

[ATTACH]4564317[/ATTACH]

[ATTACH]4564318[/ATTACH]

[ATTACH]4564319[/ATTACH]

[Gran Sasso]

Thats the lower part of a backpack- / tornister carrying strap. As it is riveted (and not sewn) its civilian or at best political. What is the diamond shaped marking, any letters inside?

[glaser]

There is a diamond shape indeed, but I can't read anything inside no more