WWI Fighting Knife

These are pretty cool, this is a WWI knife and not my normal area of collecting. I see no markings on it but I did find it on the internet referred to as a "Ranger Knife", I don't know if that is legitimate or not. The blade shows age and wear and the grip is decent condition. The scabbard is hard but 90% complete.
Price: $800.00
SKU: 8247