All 1928 $20 Federal Reserve Notes carried the phrase "Redeemable in Gold", although they weren't gold certificates. There were also gold certificates with that denomination but they have gold seals and lack the words Federal Reserve Note. Please see the question "What is the value of a 1928 US 20 dollar Federal Reserve Note?" for more information.
All 1928 $5 Federal Reserve Notes carried the phrase "Redeemable in Gold", although they weren't gold certificates and in fact no gold certificates with that denomination were printed. Please see the question "What is the value of a 1928 A US 5 dollar Federal Reserve Note?" for more information.
All 1928 $100 FRNs carried the wording that they were redeemable in gold. There's more information at the Related Question.
On the 5 dollar bill: Redeemable in gold on demand at the united states treasury or in gold or lawful money at any federal reserve bank. 1928 series A A.W. Mellon secretary of the treasury
That phrase was on Federal Reserve Notes up till the US went off the gold standard. Please check your bill again and post a new, separate question with its date, and what letter (if any) is next to the date.
All 1928 $20 Federal Reserve Notes carried the phrase "Redeemable in Gold", although they weren't gold certificates. There were also gold certificates with that denomination but they have gold seals and lack the words Federal Reserve Note. Please see the question "What is the value of a 1928 US 20 dollar Federal Reserve Note?" for more information.
All 1928 $5 Federal Reserve Notes carried the phrase "Redeemable in Gold", although they weren't gold certificates and in fact no gold certificates with that denomination were printed. Please see the question "What is the value of a 1928 A US 5 dollar Federal Reserve Note?" for more information.
All 1928 $100 FRNs carried the wording that they were redeemable in gold. There's more information at the Related Question.
On the 5 dollar bill: Redeemable in gold on demand at the united states treasury or in gold or lawful money at any federal reserve bank. 1928 series A A.W. Mellon secretary of the treasury
The United States Silver Certificate is redeemable only only a 1:1 ratio with the Federal Reserve Dollar. They are still legal tender at face value, but they are not worth any silver. Sorry.
That phrase was on Federal Reserve Notes up till the US went off the gold standard. Please check your bill again and post a new, separate question with its date, and what letter (if any) is next to the date.
The United States Silver Certificate is redeemable only only a 1:1 ratio with the Federal Reserve Dollar. They are still legal tender at face value, but they are not worth any silver. Sorry.
The phrase "redeemable in gold" indicates your bill was printed before 1933, but a specific date and series letter are needed. Please post a new question with its date and what letter if any is next to the date.
All 1928 $5 Federal Reserve Notes carried the phrase "Redeemable in Gold", but they weren't gold certificates and in fact no gold certificates with that denomination were printed. In addition, the bill was distributed by the Federal Reserve Bank located in Cleveland; it wasn't produced by a bank called the Bank of Cleveland. Please see the question "What is the value of a 1928 US 5 dollar Federal Reserve Note?" for more information.
Face value only.
$60 if worn, up to double that if in nearly-new condition.
There should be a gold seal, not a green seal. Green indicates a Federal Reserve Note. If you have a Gold Certificate with that date, its value in circulated condition is $250.-$750. depending on how worn it is. If you have a Federal Reserve Note, it's more common and is in the $125.-$180. range.