You need to know whether it has a series letter. That's a small letter next to the date, or it may not have one.
Then check the link below for values based on the bill's date and letter.
what is a 1934 thousand dollar bill worth
$1250 if worn, up to maybe $1600 if in nearly new condition. Uncirculated ones retail for about $2000
A 10-dollar bill that was printed in 1934 is worth little more than 10 dollars. Depending on the series, it may be worth around 15 dollars.
$666.00
Depending on the condition of the bill, it could be worth anything from $20 to $100.
In uncirculated condition, the bill is worth $225. That is if you can find someone willing to pay that...
At the time, it was worth one dollar.
$5.00
Its worth $700-$1100. I would love to have one of those.
Unless it is a star note or is in brand new condition, $100.
At most, it would be at least worth about 70 dollars. If not, then the current amount of $10.00 would still be worth $10.
An A series in avg.condition is worth around $12.50.