I am looking at a couple of canteens on Ebay:
https://www.ebay.com/itm/304129513179?hash=item46cf8816db:g:OLcAAOSw5jxhL80a
https://www.ebay.com/itm/353651943314?hash=item52574c6792:g:7nwAAOSw9ExhLpKj
The first one is French, and there is little question about that, but where does the second...