I assume you mean "it doesn't have a mint mark". That simply indicates it was struck in Philadelphia; the P mint mark wasn't used until the 20th century.
Please see the Related Question for values.
Assuming the coin is circulated and has no mintmark's, retail values are $29.00-$42.00 depending on the actual grade of the coin. The 1881 Morgan dollar is a very common coin.
If the coin has a Mintmark it is on the back of the coin, above the letters DO in dollar. If no mintmark the coin was minted in Philadelphia.
The James Garfield dollar coin was minted in 2011, and is worth exactly one dollar.
It's worth exactly one dollar. 1881 is the year Garfield was President, while the coin itself was minted in 2011.
Click on the web link in the "RELATED LINKS" to see a photograph of the 1881 $10 gold coin.
Assuming the coin is circulated and has no mintmarks, retail value is $23.00-$31.00 depending on how much wear the coin has. The 1881 Morgan is a common date.
The coin is a Morgan (NOT E-PLURIBUS-UNUM) dollar, the date 1881 is very common. Assuming it's circulated, retail values are $30.00-$38.00 depending on the actual grade of the coin.
Assuming the coin is circulated and has no mintmark, the 1881 Morgan (not a Liberty Head) dollar is a very common coin with retail values of $32.00-$39.00 depending on the grade.
The 1881-S Morgan dollar is a very common coin. Assuming it's circulated and in collectible condition, values are $30.00-$39.00 depending on the grade of the coin.
The going price for a 1881 $10 gold liberty head coin is about $600; but that can vary considerably depending on its condition.
The 1881 "looney" is likely a reference to the Canadian one-dollar coin, but it did not exist in 1881. If you're referring to a U.S. coin from that year, it could be worth money depending on its type, condition, and rarity. Common coins from 1881, like the Morgan silver dollar, can have significant value, especially in good condition. To accurately assess its worth, it would be best to consult a coin expert or a numismatist.
Assuming the coin is circulated and has no mintmark, the 1881 Morgan dollar is a common date of the series. For an accurate assessment of value the coin needs to be seen and graded. Circulated coins are $38.00-$44.00.