Antique Arts and Crafts vintage, silver plate insulated thermos milk or drinks pitcher with a mercury glass stopper.
It stands about 9 1/2" high and is about a 1 quart size. It is marked on the bottom with Universal - Landers, Frary & Clark and a 1917 patent.
This is in nice condition with tarnished silver. There are a few spots of tarnish to the inside of the glass flask.