It's called a "plate position indicator". Bills are printed in groups using metal printing plates; the small letter indicates each bill's location on the plate.
Modern bills are printed in much larger groups laid out in a grid, so both a letter and number are needed to indicate the row and column where the bill was located.
1928 A and B are the most common of all 1928 $1 silver certificates. In average condition they retail for $5 to $10.
If there really were one it would be a priceless example of time travel because the first $1 silver certificates were issued in 1886. The date on your bill is almost certainly 1928.Please see "What is the value of a 1928 US 1 dollar silver certificate?"
It's a plate indicator. US bills are printed in grids on large sheets of paper that are cut apart into individual bills. Plate indicators tell where a particular bill was located in the grid.
All silver certificates printed from 1928 to 1957 had blue seals. Please see the question "What is the value of a 1957 A US 1 dollar silver certificate?" for more information.
George Washington. From 1928 to 1934, the one dollar bill was actually known as a Silver Certificate.
45.00
About $25. If there is a star in the serial number, about $40.
About $5 to $10
1928 A and B are the most common of all 1928 $1 silver certificates. In average condition they retail for $5 to $10.
As of 08/2010 1928 A US $1 silver certificate retails for $5 to $10 in circulated condition. A nice uncirculated one goes for around $40.
The value of a 1928 Silver Certificate dollar is worth at least the amount of the face value. There are 6 different 1928 Silver Certificates, the value depends on the grade of the certificate. The best way to determine the value is to have the note appraised by a professional.
The US did not print any two dollar silver certificates after 1899.
1928 $50 bills weren't issued as silver certificates. Please check the wording across your bill's top front; 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?"
If there really were one it would be a priceless example of time travel because the first $1 silver certificates were issued in 1886. The date on your bill is almost certainly 1928.Please see "What is the value of a 1928 US 1 dollar silver certificate?"
To clarify things, the US Mint only makes coins. Bills are printed by the Bureau of Engraving and Printing.Please see the question "What is the value of a 1928 US 1 dollar silver certificate" for more information.
Silver certificates issued from 1928 to 1957 are easy to identify. They have distinctive blue seals and serial numbers, and the words "Silver Certificate" are across the top of the bill's front. Older bills may or may not say "Silver Certificate", but will have some reference to "Payable in silver", "Redeemable in Silver Coin", or similar phrasing.
The 1928 silver certificates were signed by the Treasurer of the United States and the Register of the Treasury at that time. Two notable individuals who held these positions in 1928 were Treasurer Harlan F. Stone and Register Walter O. Woods.