That's a huge range of dates, with too many answers to list here. Any silver dollar minted 1935 or earlier (there were no silver dollars after 1935) is currently worth at least $21 for its silver content. For more specific answers, ask more specific questions.
Currently as of April 2012 a 1880 Morgan silver dollar in MS63 uncirculated condition is worth around 63 dollars.
It depends if a 1880 silver dollar would be worth. If you can see that the first 8 in the coins date is over a 7, it could be worth $100-$250 dollars. If it doesn't have an 8 over a 7 its worth about $8.00.
The picture of Miss Liberty on the coin is similar to the image used on the Statue of Liberty but the coins were first issued 8 years before the Statue of Liberty was put up - 1878 vs. 1886. They're normally called Morgan dollars after their designer, George T. Morgan. There's more information at the Related Question.
With so many dates it's impossible to give them all values with looking at them. However these coins are silver and are worth at least $21 for their silver content.
$27 to $70,000 depending upon the mint mark, the variety and the condition of the coin.
1880 is a common date Morgan dollar, circulated examples are $17.00-$26.00 depending on grade.
it would have been about 29 dollars
In MS60 Grade uncirculated, a 1880 S Morgan Silver Dollar is worth about $52. In MS65 Brilliant Uncirculated, it is worth over $330.
Currently a 1880 S Morgan silver dollar in MS65 uncirculated condition is worth $156.
Circulated coins have retail values of $312.00-$414.00. The 1880 Liberty Head Half Eagle is a common coin.
Depending on how much wear the coin has the 1880 Morgan dollar has retail values of $17.00-$26.00, it's a very common coin
4-20-11>> Assuming the coin is circulated and has no mintmark, the 1880-S Morgan is a high mintage common date, retail values are $38.00-$44.00 depending on the grade of the coin.