The object pictured is a Phurba, a traditional Tibetan Buddhist ritual dagger (known in Sanskrit as kila). It is a sacred ceremonial tool used in Vajrayana Buddhism to dispel negative energy and obstacles to enlightenment. 

Key Details

• Function: The phurba is not a physical weapon but a spiritual one, used in tantric ceremonies and meditation to symbolically destroy the "three poisons" of ignorance, greed, and illusion.

• Symbolism:

  • The three-sided blade is believed to symbolically swallow these poisons.

  • The hilt often features a representation of a deity, and the one pictured appears to have several faces or heads at the top, which can represent wrathful protectors.

  • The central sphere represents shunyata, or the primordial nature of the universe.

  • It is often paired with a bell (ghanta) in rituals, symbolizing the union of wisdom and compassion.

• Materials: Phurbas are typically made from various metals including copper, brass, bronze, or iron. The visible mixed-metal coloration in the image suggests a combination of materials, possibly brass and copper or white metal.

• Origin: These ritual items are commonly handcrafted in Nepal and Tibet. 

This type of object is highly valued by collectors and practitioners for its spiritual and artistic significance.