Rare Four-Gallon Stoneware Jar with Elaborate Cobalt Floral Decoration, Stamped "COWDEN & WILCOX. / HARRISBURG .PA," circa 1865, ovoid jar with tooled shoulder, flattened rim, and applied lug handles, decorated with a slip-trailed design of a flowering plant in the style of Rochester, New York potter, John Burger, depicting a large blossom and two berries emanating from a group of leaves. Cobalt highlights to maker's mark, capacity mark, and handle terminals. Desirable, lesser-seen slip-trailed treatment and unusual design inspired by one of the nation's leading potters. Very large reglued section at base. Cracks and small chips in underside, including a small, sliver-shaped loss that extends through to interior. A very large Y-shaped crack to side of jar, emanating from underside. A minor, glazed-over iron ping below rim on front. An approximately 6" x 5" X-shaped line to reverse. A glazed-over 1 1/8" chip to one handle. Some minor in-the-firing pings to surface. Water glass staining to interior. Minor staining to exterior. H 13".