What is the value of a 1928 US 2 dollar bill with a red seal?
1928 $2 bills were issued in 8 different series variations identified by a small letter (or its absence) near the date. Please check for the letter, then see the question "What is the value of a 1928 [letter] US 2 dollar bill?" for more information.
The red seal and serial numbers simply mean that the bill is a United States Note, a form of currency that was printed up till the 1960s.