Hi ...Ive got 4 antique stoneware jugs ...the big one is 5 gallon and there are 2 about 1 gal each ...another slightly smaller ...
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They all appear to be made by different manufacturers ...
5 gal is from WESTERN STONEWARE CORPORATION , MONMOUTH , ILLINOIS
(it has a hairline crack on 1 side)
one of the 1 gal looks like Ohio Stoneware to me
The other 2 Im not sure ...but they all have a sllliigghhtly unique different exterior finish