It's a modern hobo nickel. Somebody altered it to make it into a novelty. Like they used to with Buffalo Nickels.
Tommy, The US Mint provided general Mills 10 million 2000 pennies and 550 Sacagawea Dollars for their Cheerios Promotion in 2000. They were all put in Cheerios Boxes back then for distribution to customers. if you ever find a 2000 Sacagawea in a Cheerios cardboard holder let me know!!! Pat