In worn condition, about $175 retail. In better shape, its value could go up to $500.
It's actually called the Federal Reserve Bank of Chicago. However all 1928 Federal Reserve Notes had green seals, so please check your bill again and post a new, separate question.
It's still worth one dollar.
$15 to $35 depending on its condition
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.
1928 $50 bills were issued as gold certificates and as Federal Reserve Notes but they're not the same. Please check the wording across your bill's top front as well as its seal color*; then see one of the following questions: "What is the value of a 1928 US 50 dollar Federal Reserve Note?""What is the value of a 1928 US 50 dollar gold certificate?"* Gold certificates have gold seals and FRNs have green seals.
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.
It's actually called the Federal Reserve Bank of Chicago. However all 1928 Federal Reserve Notes had green seals, so please check your bill again and post a new, separate question.
It depends on whether there is a letter next to the date. Circulated bills with no letter, A, or B are worth $22 to $45 depending on the amount of wear they have. However a 1928 C bill is worth $175-$500
The green seal indicates that your bill is a Federal Reserve Note. Please see "What is the value of a 1928 D US 5 dollar Federal Reserve note?" for more information.
The value of a 1928 twenty dollar bill that says "The Federal Reserve Missouri Bank of St. Louis" would actually depend on a number of things. The main factor that should be considered when determining value would be the condition of the bill.
The green seal indicates that it's a Federal Reserve Note. Please see the question "What is the value of a 1928 US 5 dollar Federal Reserve Note?" for more information.
Please don't assume that every old bill has to be a silver certificate. 1928 $10 bills were issued as gold certificates with gold seals and as Federal Reserve Notes, with the familiar green seal and the words "Federal Reserve Note" across the top.Please check the bill's seal color and wording across your bill's top front; then see one of the following questions:"What is the value of a 1928 US 10 dollar Federal Reserve Note?""What is the value of a 1928 US 10 dollar gold certificate?"
The green seal indicates that your bill is a Federal Reserve Note. All 1928 B $20 bills were printed as FRNs. Please see the question "What is the value of a 1928 B US 20 dollar bill?" for more information.
To clarify things, it's not from Chicago and A is not the mint mark. The US Mint only makes coins; all bills are printed by the Bureau of Engraving and Printing. In 1928 all bills were printed in Washington. A is the series letter and Chicago is the location of the Federal Reserve District that distributed the bill. Please see the Related Question for more information.
If very worn, about $15. Moderate wear, about $30
$15 to $30 depending on condition
It's still worth one dollar.