Palco. Canteen Worcester Mass - Screw Top.

This Is pre 1915 as it is marked patent applied for and all others show patent date of 1915.

Photos show scratches, minor dents, and I believe two holes in the edge. The holes just expose insulation but may not leak. I have not tested for leaks.

Outside diameter 7-1/2” add 2” for stem and cap.

1-3/4” thick