J. A. & C. W. Underwood, Ft. Edward, New York 2 Gallon Stoneware Preserve Jar with Cobalt Bird on a Fancy Branch.  Impressed 2 capacity mark. 
Scarce maker.
Circa 1865-1867.
Two hairline's on the left side, some roughness to inside of rim where a lid would sit. A tiny fleabite on both handles. One beautiful potstone on the back. What a great bird!!