Morgan dollars were minted for spending rather than investment, unlike modern Walking Liberty "eagle dollars". Morgans also don't contain 1 oz of silver. They were made of 0.7734 troy oz, plus a small amount of copper for hardness. The reason for the strange amount is that it was the amount of silver that was worth $1 at the time the coins were in circulation.
There's more information at the Related Question.
4-20-11>> Assuming the coin is circulated, the 1882-O Morgan dollar is common. The retail values are $38.00-$44.00 depending on condition. Values are a market average and only for coins in collectible condition, coins that are bent, corroded, scratched, used as jewelery or have been cleaned have far less value if any to a collector or dealer.
The melt value of a Morgan silver dollar is about $25.00
Assuming the coin is circulated, the 1882-S Morgan is a common date, retail values are $26.00-$32.00 depending on the actual grade of the coin.
A Morgan 1882 Silver Dollar has 0.7735 of an ounce of silver.
The coin is referred to as just a "Morgan dollar" all silver dollars have "Miss Liberty" on them. An 1882 Morgan dollar is very common, circulated coins are $30.00-$37.00.
4-24-11>> Assuming the coin is circulated and has no mintmark. The 1882 Morgan is common with retail values of $38.00-$44.00.
It's a very common Morgan dollar with values of $17.00-$26.00 for circulated coins
Assuming the coin is circulated and has no mintmarks, retail value is $26.00-$32.00 depending on how much wear the coin shows. The 1882 Morgan is a common date.
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Assuming the coin is circulated and has no mintmark, the 1882 Morgan is a high mintage common date, retail values are $30.00-$39.00 depending on the grade of the coin.
A 1882 Morgan silver dollar in good shape can be worth around $30-$50, depending on its condition and mint mark. A heavily worn 1891-CC Morgan silver dollar, produced by the Carson City Mint, is typically valued for its silver content around $20-$30, but can increase in value if in better condition.
5-9-11>> Assuming the coin is circulated and has no mintmarks, retail value is $38.00-$44.00 depending on how much wear the coin shows. The 1882 Morgan is a common date.
An unworn Morgan weighs 26.7 gm and it's made of 90% silver.
The entire series of Morgan dollars (1878-1904 & 1921) all contain .77344oz of pure silver in each coin.
If you mean a1882 Morgan dollar, the value in a collectible condition is $20.00 to $40.00.