Collectors of Peaked Caps should find this photo interesting. It's not often that you see the issue Peaked Cap Cover in wear (note the bad weather) in an individual photo, let alone in a group photo (click directly on the photo to enlarge it). Too bad the time / place is not identified....
http://www.militaria321.com/auktions...tionID=5537818
"Hundestaffel"
http://www.militaria321.com/auktions...tionID=5537818
"Hundestaffel"