How much is this 10 dollar bill worth?

i have a $10 bill thats a series 1981 on the front the bottom two 10s have ten writn ton tp of them and on the middle of the sides its writin ten. theres a 2 formin a rectangle inside the whitish part. on the back its writin 10 across all 4 tens and the picture is the same as a regualr 10 dollar bill exept its tilted and u can see the building strexhing back ad under it says us treasury with wat i believe is a old ford car driving by/ theres also a 113 on the corner of the picture which by the way i like a fancy border. can u tell me how much thi would be worth