It is the date it was minted (made).
It means that the coin is rare. For example a 1909-S VDB cent is a key date. This coin is rare.
The "D" indicates the coin was minted in the Denver mint
The term "key-date" means a more valuable or scarce coin of the series. But the 1923 issue is not one of them.
Please post new question with the date, denomination and the symbol you see on the coin.
Assuming you mean a Morgan silver dollar and not a gold one dollar coin, if the coin is circulated and has no mintmarks, retail value is $26.00-$32.00 depending on how much wear the coin has. The 1883 Morgan is a common date.
It means that the coin is rare. For example a 1909-S VDB cent is a key date. This coin is rare.
You need to give the denomination and date of the coin. Also where you see the 77 at on the coin.
If you mean one of the Sacagawea dollars or a Presidential dollar the date is on the edge of the coin and its not gold.
A date set is one coin from each year that type of coin was made using the most common highest mintage lower value coins.
It means it was minted at the Philadelphia mint.boooy
Check the edge of the coin for a date.
....There is a date on the coin, the date shows when the coin was struck. Without knowing the date or the design, it is impossible to answer your question.
The "D" indicates the coin was minted in the Denver mint
If you mean a "Red Ryder Lucky Coin" a complete description including the date is needed. Post new question.
Abraham Lincoln's on the front of the coin, and he was born in 1809. The date was put on the back for his bicentennial anniversary.
Presumably by "old buck" you mean an old $1 coin. However saying a coin is "old" isn't enough to have any idea of its value. The date, possible mint mark, design, and condition are all very important. Please either: - check your coin again and post a new, separate question with that information - look for existing questions with the wording "What is the value of a <date> US silver dollar, where <date> is the date on your coin.
Please be more specific, a date if it has one will help. Post new question