In 1908, the M1904 haversack was reevaluated and the design slightly changed. The haversack, now designated as the M1908 was slightly smaller than the M1904. Also the two wire hooks on the back were replaced by two spring hooks.
This WW1 Era US Military issue item has ship markings on the back side of the USS George Washington Troop Transport Ship
Troop Transport Ship Ocean Liner
Foto Credit : Here