The US did not print any two dollar silver certificates after 1899.
The Denver mint did not strike any silver dollars in 1928. You may have a 1928-S where the S is indistinct. This coin is worth $20 to $30 depending on condition.
It is worth whatever melt is. The silver dollar is damaged and they never use rare dates (the 1928 peace dollar is rare, it is likely a 1928-S coin which is quite common) and so it would be worth about $20 for the coin. However, there is the question on whether the money clip itself is silver, usually the clip would be marked "STERLING" or 925 if it is silver. If the clip is silver, you have added value with whatever the weight of the silver clip is.
Your 1928 eagle silver dollar is actually a 1928 PEACE dollar, the first Silver Eagle bullion coin was made in 1986. But for this year of issue Peace dollar it's very important to see if there is a mintmark (S) on the reverse just above the eagles tail it makes a big difference in value. If you see the S a low value for the coin is $16.00 no S low value is $250.00. Take it to a dealer or collector for an assessment
Your 1928 silver dollar is a "PEACE" dollar. For this year of issue it's very important to see if there is a mintmark (S) on the reverse, it's just above the tip of the eagles folded wings, very close to the rim. It makes a big difference in value. If you see the S a low value for the coin is $30.00. A coin with no S, low value is $235.00. Take it to a dealer or collector for an assessment.
45.00
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.
About $5 to $10
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?"
1928-series $100 bills weren't issued as silver certificates, only gold certificates and Federal Reserve Notes. Please look at the bill's front to determine which you have; then check one of the following: "What is the value of a 1928 US 100 dollar Federal Reserve Note?" "What is the value of a 1928 US 100 dollar gold certificate?"
The Denver mint did not strike any silver dollars in 1928. You may have a 1928-S where the S is indistinct. This coin is worth $20 to $30 depending on condition.
It is worth whatever melt is. The silver dollar is damaged and they never use rare dates (the 1928 peace dollar is rare, it is likely a 1928-S coin which is quite common) and so it would be worth about $20 for the coin. However, there is the question on whether the money clip itself is silver, usually the clip would be marked "STERLING" or 925 if it is silver. If the clip is silver, you have added value with whatever the weight of the silver clip is.
Retail value is $293.00-$456.00 for circulated coins depending on grade.
Your 1928 eagle silver dollar is actually a 1928 PEACE dollar, the first Silver Eagle bullion coin was made in 1986. But for this year of issue Peace dollar it's very important to see if there is a mintmark (S) on the reverse just above the eagles tail it makes a big difference in value. If you see the S a low value for the coin is $16.00 no S low value is $250.00. Take it to a dealer or collector for an assessment
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.
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?"