WWI US Army Leather Jerkin made byMonarch Manufacturing Co., Milwaukee, Wis with a contract number of 1463 and a contract date of Oct 20, 1917. It is a size 2 with a breast size of 38. Overall, the jerking is in good condition but has some white residue likely from mold, which should clean off, and some slight leather loss to the front bottom. The back is named to Laity.