A possibility:
https://www.ehrenzeichen-orden.de/deutsche-staaten/prinz-alfons-erinnerungszeichen.html
"The badge was awarded with various ribbons as a backing. The Hubertus ribbon (red with green edges), blue ribbon with white edges (for military clubs), green ribbon with white and blue border stripes (for shooting clubs) and green ribbon with blue and white diamonds on the edge (for small-caliber shooting clubs) are well known."