I still have the original Army Ration pack tin opener that I got in my 1st ration on excercise... Similar to this but dated 1976
![ANS4848.jpg](http://www.soscs.co.uk/images/large/ANS4848.jpg)
My Primus is at least 80 years old
Holds about two quarts and has a belt clip on the side so I can attach it to my pack.