There were no 1928A gold certificates printed, only 1928 with no series letter. (Series letters, when present, are next to the date, not beside the serial number or elsewhere.)
If you have a plain 1928 bill, its value would range from $250 in worn condition to about $750 if it's only slightly worn.
$60 if worn, up to double that if in nearly-new condition.
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.
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.
If it has a green seal, it's worth $12 to $15.
$30 (very worn) to $75 (nearly new condition), unless it's from the Federal Reserve Bank of Minneapolis. If so, that range jumps to $450 to $900
Auction values for a 1928 $100 gold certificate in uncirculated condition are in the $1350 range. However I question the "1928A" because my listings do not show a 1928A series, only 1928. You'll need to have the bill authenticated by a dealer or appraiser.
$60 if worn, up to double that if in nearly-new condition.
$5 (retail) if worn, $10 in better shape.
If very worn, $250; if nearly new, $750.
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 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.
A 1928 $50 bill that is redeemable in gold on demand is known as a Gold Certificate. These certificates were issued during a time when the US dollar was backed by gold. As a collectible item, the value of the bill would depend on factors such as its condition and rarity. They can be worth more than their face value to collectors and currency enthusiasts.
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The US Treaury only printed $10 Gold Certificates bearing the Series Date of 1928 and 1928A.
7-10-11>>> The 1928 Saint-Gaudens Double Eagle is tied with the 1924 as the most common coin of the series. Mint State coins are very plentiful and circulated examples do exist. For a accurate value the coin should be seen and graded. Assuming the coin is circulated, a example in the EF-40 grade is $1,860.00. A typical Mint State coin (MS-63) has a retail value of $2,000.00.
$22 to $45 depending on 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.