U.S.A. Two BOLO knives Model 1912 : - Wooden handle. Iron crossbar. Flat-backed blade, counter-edge, flared at the tip, stamped "SA 1912" and "US 18909". Canvas-covered scabbard with brown leather grip and tip. Length: 38 cm B.E. - Wooden handle. Iron crosspiece. Flat-backed blade, counter-edge, flared at the tip, stamped "SA 1917" and "US 53486". S.F. Length: 38 cm A.B.E. (pitting).