As of 04/2014, retail values are roughly $130 to $175 for bills in ciculated condition. An uncirculated one can bring $350 or more.
All 1929 $100 National Currency bills are worth the same regardless of which Federal Reserve district distributed them. FWIW, the bills were actually printed in Washington at the request of the Chicago district.
To clear things up, the bill wasn't made in Chicago. It was printed in Washington for distribution through the Chicago Federal Reserve District. Please see the question "What is the value of a 1934 A 10 dollar Federal Reserve Note?" for values and other information.
It's still worth one dollar.
$15 to $35 depending on its condition
Current retail prices for a bill that shows very little wear are in the $20 range.
If worn, it might retail for about $30. In better condition that figure could go up to $200.
To clear things up, the bill wasn't made in Chicago. It was printed in Washington for distribution through the Chicago Federal Reserve District. Please see the question "What is the value of a 1934 A 10 dollar Federal Reserve Note?" for values and other information.
$130.-$175. depending on how worn it is.
It's still worth one dollar.
Your bill is actually called a Federal Reserve Note, like modern $20 bills, rather than "a bank note of Chicago". Chicago is simply the Federal Reserve District location that distributed the bill. Please see the question "What is the value of a 1928 US 20 dollar Federal Reserve Note?" for more information.
$15 to $30 depending on condition
$15 to $35 depending on its condition
Current retail prices for a bill that shows very little wear are in the $20 range.
There were no series letters on any 1929-dated US bills. A large "G" indicates that the bill was distributed through the Chicago Federal Reserve District. There's more information at the question "What is the value of a 1929 US 5 dollar Federal Reserve Note?"
If worn, it might retail for about $30. In better condition that figure could go up to $200.
"G" is the Federal Reserve District letter rather than the series letter; if there is one it's next to the date. The fact that your bill is a Federal Reserve Note means it was printed in 1976 or later and is not rare. If you got it in change it's only worth face value.
$100.00
There were no series letters on any 1929 US bills. You may be referring instead to the Federal Reserve District letter; "G" indicates your bill was distributed by the Chicago district. There's more information at the question "What is the value of a 1929 US 100 dollar Federal Reserve Note?"