I picked up this trench knife this week (off of e-bay of all places). There are no maker marks. It has a large stag handle with a recurved cross guard. The pommel has an Imperial German eagle emblem (look like an imperial button to me). The metal scabbard is in good shape with a brown leather belt loop and buckled handle strap. What do you guys thinks? Is it a period item, I never seen a buckle-loop strap before.