Answer: Tipu sultan's sword is considered to be one of the world's rare artifacts!! The famous single-edged sword made of fine steel with curved blade belongs to the closing years of the 18th century. Tipu Sultan's sword was very famous for its hardness; the sword could rip through armour. The incredible hardness of the sword came from a special high carbon steel called Wootz steel.
Explanation: Hope that helped :)