Rare One-Gallon Cobalt-Decorated Stoneware Jar, Dated "1864," Western PA origin, cylindrical jar with flattened rim and rounded shoulder accented with incised lines, the front decorated with the large cobalt Civil War-era date "1864," underscored by a cobalt stripe and the inscription "1 Gal". Desirable size. Dated stoneware from Western PA is unusual. Provenance: A fresh-to-the-market example from a Virginia home. 1 1/2" hairline on underside, continuing 3 1/4" up reverse side of jar. Very minor 1/2" line at base on front, which probably occurred in the firing. H 10 3/4".