This Haversack is a type sold in the north early in the war. It is made of a rubberized cloth for the back and strap. The front is untreated cotton. These are often referred to as a Massachusetts Haversack. This particular example was marked with a stencil of the union soldiers name and unit.
Was makes this example special is that this Haversack was captured and marked by a North Carolina officer. He painted his information on top of the union soldiers stencil. Lt West served in the 20th NC and was mortally wounded in the battle for South Mountain in sept 1862. He died the following month as a POW.
One of the pictures was taken with a morrow inside the body of the Haversack and shows the stencil which bled through the untreated cotton.