What is the value of a 20 dollar bill dated 1969?

An uncirculated 1969 $20 bill is worth $50-$150 depending on the signatures;

P452a : Kabis / Kennedy - $60

P452b : Kabis / Connally - $75

P452c : Banuelos / Connally - $150

P452d : Banuelos / Schultz - $50

In any other condition, it is worth face value ($20).