The salt pig, a.k.a. salt cellar, was modeled at Hall China, circa 2012. A batch of samples were made and glazed in scarlet, but this piece never went into production.
The example shown below is from the collection of the Fiesta® Tableware Company.
Salt pig in scarlet
Salt pig opening
Salt pig embossed marking
Size comparison of the salt pig with a juice pitcher
Salt pig mold at Hall China with Hall's product number: 4664.