Look on the back of the coin to see if there's a small mint mark letter above the DO in DOLLAR. It may be blank or there may be an O or S. (The M on the front of the coin is the designer's monogram and not a mint mark.)
Numismedia lists the following approximate retail values as of 03/2012:
No mint mark (Philadelphia):
Very worn condition - $98
Moderately worn - $144
Slightly worn - $161
Almost no wear - $209
Uncirculated - $252 to $8,750 depending on quality
If you have a suspected 1899 Philadelphia dollar it should be inspected by a trained expert to make sure it's not a less-expensive New Orleans or San Francisco coin that's been altered
"O" mint mark (New Orleans):
Very worn - $32
Moderately worn - $33
Slightly worn - $34
Almost no wear - $37
Uncirculated - $47 to $25,000
"S" mint mark (San Francisco):
Very worn - $36
Moderately worn - $39
Slightly worn - $45
Almost no wear - $119
Uncirculated - $300 to $17,810
DISCLAIMER: The retail values quoted are the best available as of the date shown, but may vary significantly due to changes in the precious metals market. Also the wholesale (buying) price of a coin will be less than the selling (retail) price. A reputable coin dealer will be able to give a more accurate valuation based on inspection of the coin.
FAQ's about Morgan dollarsE Pluribus UnumThe motto E Pluribus Unum (Latin for "Out of Many, One") is on ALL $1 coins minted since 1878 so that's not specific enough to ID any one coin.
Silver Eagles
Silver eagles are bullion coins minted since 1986 for sale to collectors but not for spending. Morgan dollars were made for use in ordinary circulation just like dimes and quarters.
"O" was the mint mark of the New Orleans Mint. It operated from 1838 to 1861 and 1879 to 1909. Today it's a museum.
There's more information at the Related Question.
Bills from the 1899 series are the only US $2 silver certificates to carry a picture of George Washington. Please see the question "What is the value of an 1899 US 2 dollar silver certificate?" for more information.
The bill that most closely fits that description is an 1899 US 1 dollar "black eagle" bill. Please see the question "What is the value of an 1899 US 1 dollar silver certificate?" for more information.
Despite its 1899 series date, White's signature means your bill was printed at some point in the 1920s. Please see the question "What is the value of an 1899 US 1 dollar silver certificate?" for more information.
The US printed $1, $2 and $5 silver certificates dated 1899. Please see the questions "What is the value of an 1899 US [value] dollar silver certificate?" for more information, for 1, 2 or 5. 1899 was the last year $2 bills were printed as silver certificates. Most were issued as United States Notes until 1963, and as Federal Reserve Notes after that starting in 1976. $1 and $5 silver certificates (as well as $10) were printed into the mid-20th century.
Please check your bill again and post a new, separate question. There were no federally-issued $10 bills dated 1899.
There were no series letters on 1899 $2 silver certificates. Please see the question "What is the value of an 1899 US 2 dollar silver certificate" for values and other information.
The US did not print any two dollar silver certificates after 1899.
Your bill is an 1899 $5 silver certificate. Please see the question "What is the value of an 1899 US 5 dollar silver certificate?" for more details.
No US One Dollar coins dated 1899 with a legend of "Thirteen Colonies" exist. It's not a US Mint coin.
Bills from the 1899 series are the only US $2 silver certificates to carry a picture of George Washington. Please see the question "What is the value of an 1899 US 2 dollar silver certificate?" for more information.
The bill that most closely fits that description is an 1899 US 1 dollar "black eagle" bill. Please see the question "What is the value of an 1899 US 1 dollar silver certificate?" for more information.
Despite its 1899 series date, White's signature means your bill was printed at some point in the 1920s. Please see the question "What is the value of an 1899 US 1 dollar silver certificate?" for more information.
Please see the question "What is the value of an 1899 US 2 dollar silver certificate?"The Federal Reserve System wasn't established until 1914.Silver certificates were issued directly by the Treasury and weren't connected to the Federal Reserve Bank.
The US printed $1, $2 and $5 silver certificates dated 1899. Please see the questions "What is the value of an 1899 US [value] dollar silver certificate?" for more information, for 1, 2 or 5. 1899 was the last year $2 bills were printed as silver certificates. Most were issued as United States Notes until 1963, and as Federal Reserve Notes after that starting in 1976. $1 and $5 silver certificates (as well as $10) were printed into the mid-20th century.
Please check your bill again and post a new, separate question. There were no federally-issued $10 bills dated 1899.
$10.00 to $40.00 depending on grade
A real silver dollar has a $25.00 value just for the silver.