Sections of a brass knife handle and sheath

Sections of a beautifullt ornate brass knife and sheath. Perhaps གཡུ་བ།་ (wylie g.yu ba).

Extent: Three sections of a brass kife and sheath.Size and dimensions of original material: 17 x 4 cm; 5.5 x 5 cm; and 3 x 4.5 cm. Condition of original material: The knife itself is no longer in existence.Custodial history: All items handed down from grandfather to father to son for over six generationsand probably many more.Arrangement: All items are kept in the prayer room of Chherring Dorje (not seen)