If the bill is genuine it could be worth as much as a collector will pay for it. Bills such as this are very rare, and the prices they fetch reflect their rarity. The condition of the bill, state of the printing on the rear (if it is totally blank it will be worth more), and other factors will affect the value. A reputable coin dealer will be able to give you a more specific answer, thou I would expect something like this to go for 3 to 5 times face value.
10.00 dollars
No US $1 bills are dated 1990.
A 1990-series $20 bill is too new to have any added value. Some of them are still in circulation.
A date is needed. Please see the question "What is the value of a (date) US 20 dollar bill?" for more information.
100 dollars. It's too new and there are too many in circulation for it to be worth more than face value.
10.00 dollars
No US $1 bills are dated 1990.
A 1990-series $20 bill is too new to have any added value. Some of them are still in circulation.
A date is needed. Please see the question "What is the value of a (date) US 20 dollar bill?" for more information.
Please check your bill again and post a new, separate question. There were no 1990-series $1 bills.
It's still worth $100.
what is the value of the four dollar bill of 1778
what is the value of the four dollar bill of 1778
This rare printing error has a value of $200-$300 in uncirculated condition.
what is the value of a five dollar bill silver certificate
$50 bills dated 1990 and later are only worth face value if you got them in change. Uncirculated ones might retail for a couple of dollars more.
That is called an error note. It is hard to say Just look on e bay an you can get an idea what other error note are selling for. I be leave there is a Book called the Black book on currency it may help.