Because Congress passed a law forbidding redesign of the $1 bill, it doesn't incorporate any of the newer security features found in $5 and higher bills. You can still look for the following:
That said, $1 bills aren't often counterfeited because of their low value.
No real US million dollar bills
If its date is 1997 it's a fake. There are no genuine US $1 bills dated 1997.
While a $200 denomination might be a sensible addition to US currency, the US has never printed that bill.
Yes you can people do it all of the time
If you are saying you have a 1 Million dollar US Bill from 1996, then, no it is not real
Irish people call the US Dollar bill, a dollar or a dollar bill.
The US did print 10,000 dollar bills. Since these are of a higher denomination and more scarce than 1,2,5,10 and 20 dollar bills there is a higher chance that it is a counterfeit bill. However just because there is a higher chance does not mean that it is fake. The best way to find out if it is fake is to take it to trusted and experienced collector. He or she will probably be able to tell you.
The bill could be counterfeit, or if real, several hundred dollars.
The US has never produced a $4 bill, though Canada once had such a denomination.
If it's dated 1867 you can be 100% sure it's a fake. Remember your US history - the Confederacy lost the Civil War in 1865.
No. The US has never printed a $3 bill. Any such thing is only a novelty.
200