Another unknown shotshell headstamp

#1

I know I have seen it before, but have no idea about what, who, when and where.

IMG_20180517_100100
IMG_20180517_100100.jpg2336x4160 2.08 MB
IMG_20180517_100115
IMG_20180517_100115.jpg2336x4160 2.94 MB

Regards rené

#2

Nobody?