I am not aware of a 1921 Morgan Dollar that carries a mint mark of "O." However, the 1921 series do carry mint marks of "D'" and "S." However, what is interseting about the 1921 Morgan Dollars is that they were produced by the US mint after a hiatus of 17 years - secondary to the The Pittman Act that required that all silver dollars be melted. More info -
There could not be a 1921-O dollar because the New Orleans mint closed in 1909.
1921 was the only year that Morgan dollars were struck in Denver, because the Denver mint opened in 1906, two years into that hiatus.
Below is a picture of a Morgan dollar coin.
A rare Morgan Silver Dollar is 1876.
An 1879 "Silver Dollar" is a Morgan dollar.
Please look at the coin again and post new question. With the date of 1839 it can't be a Morgan dollar. The Morgan dollar was first issued in 1878.
above the DO in the dollar
No. All of the 1921 Morgan dollars were struck in Philadelphia, Denver or San Francisco.
A Morgan dollar IS a silver dollar. The term Morgan refers to the designer George T. Morgan who created the images used from 1878 to 1904 and in 1921.
Below is a picture of a Morgan dollar coin.
The Morgan silver dollar is a collectors item and can be about $39
A rare Morgan Silver Dollar is 1876.
The image on the face of the Morgan Dollar is a rendition of Lady Liberty designed by George T. Morgan.
An 1879 "Silver Dollar" is a Morgan dollar.
George T. Morgan
A "Carson City Morgan Dollar" is simply a Morgan dollar produced at the Carson City, Nevada, mint. Such a coin can be identified by the mintmark "CC" on the reverse of the coin, beneath the tail feathers of the eagle.
Exactly one. A Morgan dollar is a specific kind of silver dollar, designed by and named for George T. Morgan and minted from 1878 to 1904 and in 1921.
Please look at the coin again and post new question. With the date of 1839 it can't be a Morgan dollar. The Morgan dollar was first issued in 1878.
The last Morgan dollar was struck in 1921. The date 1923 is a Peace dollar. Average value is $37.00-$41.00