This was the only type of currency that, at first, featured the seal over the large engraved word to the right of the portrait.
[3] These notes also carried a seal bearing the identity of the Federal Reserve Bank of issuance.
The 1928 Federal Reserve Notes were redeemable as per the following legend in the upper left corner of the note: Redeemable in gold on demand at the United States Treasury, or in gold or lawful money at any Federal Reserve Bank.
[4] Also, for a brief period in 1933, Series of 1928 $1 United States Notes were issued as a response to the Great Depression.
1928 saw the last issuance of Gold Certificates to the public prior to their confiscation during the Great Depression.