8-5-11>>> Assuming the coin is circulated, for the 1928 Liberty Head Quarter Eagle, circulated coins are easily obtainable. For an accurate assessment of value the coin needs to be seen and graded. In general retail values for low grade coins are $216.00-$240.00, better grade are $260.00-$295.00 and coins showing almost no wear run from $305.00-$335.00. Values are a market average and only for coins in collectible condition, coins that are bent, corroded, scratched, used as jewelry or have been cleaned have little or no value to a collector or dealer.
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
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.
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.
The last Morgan dollars were dated 1921. Your coin is called a Peace dollar. Please see the Related Question for more information.
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.
To determine the exact value of a 1928 US dollar coin, a couple different factors would need to be taken into consideration. Most important factor being, the condition of the coin.
It should be valued at $15 - $30 depending on the condition of the coin.
Circulated coins are $25.00-$90.00 Mint State examples are $150.00 or more
No US $100.00 gold coins were ever made, so a value is not available.
If you mean a 1928 Peace dollar with No mint mark It's the key date to the series the value in VF-20 is $475.00. I suggest you take it to a coin dealer, because I have seen many 1928 S mint coins with the mint mark removed.
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
No gold coins were struck in 1928, please look at the date again. 1929 was the only year the coins were struck.
Please turn the coin over and check the denomination on the back. You'll find it's a HALF dollar.
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.
The National Motto E PLURIBUS UNUM is on all Peace dollars and does not add to the value of the coin. What does add to the value is if it has a mintmark or not and the condition of the coin. In circulated condition a 1928 Peace dollar with out a mintmark (only a "S") is valued at $293.00-$456.00 with out the mintmark value is $17.00-$89.00
SIMPLE ANSWER: The 1928 Philadelphia issue (no mintmark) coin. Average retail value is $275.00 for a coin graded G-4.
Such a coin does not exist. Eireann (Ireland) was using the British based Pounds, shillings and pence currency system in 1928.