Vintage Guardian Service Hammered Aluminum Roster Cooker An Lid  Dutch Oven.

Amazing condition for 1930 to 1956 cookware

This has an aluminum lid so my guess pre 1940s USA made

See photos for measurements  For condition Approximately 16 by 11 wide cook space

Normal scratches from cleaning, Outside also does have some discoloration due to use and time. I did clean to my best of my ability to get built up off.

Note:::  19 " with handles

       measurements on inside rim to inside of rim. An measurements to outside of rim to outside of rim so both are there for you to see

Let me know if you need another one.