It's a cider flagon, Drywite Ltd, Cradley Heath, Staffs, imprinted on it.
And also the notice that the deposit charge is 2/-. Two shillings, or 10p in modern money.
Is it like a stoneware container with a little looped handle, if so some folks collect them and their worth is entirely determined by how rare each manufacturer is x
It can't be that old. My recently late FIL had a GP Practice in Barrs Road Cradley Heath which is Sandwells local authority of West Midlands not Staffs. If the flagon has Cradley Heath Staffs it probably is no older than 90 years I would guess.