This 2000 P Sacagawea Dollar is the Wounded Eagle Error Variety FS-901 and a Speared $1, due to a die error. The coin has never been circulated and is made of Copper Clad and Manganese Brass Alloy; with a business strike type, and the mint location is Philadelphia. This particular coin is a Native American $1 coin and is certified by PCGS with certification number 47906518.
Definitely a error variety of coins that make it highly collectible! Especially, being graded and authenticated!