umm i found an Tanzania coin mixed in with some of my change what is it worth?

Question

its nickle sized
has a rabbit on the back
says senti hamsini
and a 50 on it

Answer 1

It's a 50 senti coin from Tanzania that's no longer in circulation. Made of copper-nickel alloy, and in average circulated condition, it's worth about $0.20 to the numismatic community.
1 shilingi = 100 senti