My "E. Witte, Trier" features a leather strap plus a buckle that includes a leather body, not metallic. The Gottlieb Hammesfahr catalog demonstrates the leather strap and metal buckle was employed on their Verlangerungsmesser sheath. The bolsters do not need the great grooves as demonstrated on the other fancy bolster https://miltonq577kjc9.snack-blog.com/profile