1 dollar
Assuming you are asking about a 1887 Morgan silver dollar. Circulated coins are valued at $30.00-$40.00.
It is worth $50.
According to coin trackers it is estimated the value is an average of 34.00.
As of 10/2008 an 1896 Morgan/Liberty Head Silver Dollar minted in Philadelphia in fine condition is worth $18.00, uncirculated is worth $34.00, proof is worth $1,300.00 It is a fairly common date - it would be worth $17 - $22 in circulated condition, and perhaps $35 - $70 in uncirculated condition (depending on just how uncirculated it was - you'd need a dealer or other specialist to judge the condition for you).
1887 is not considered a rare date for Morgan dollars. In MS-62 grade, it is currently worth about $30.00
Mintmark's are used on coins, they do not have "proof marking's". The 1887 Morgan dollar without a mintmark was struck at the Philadelphia Mint.
1887 is a common date for Morgan dollars. Retail values for average circulated coins are $37.00-$40.00
Assuming the coin is circulated and has no mintmark, the 1887 Morgan is a high mintage common date, retail values are $17.00-$26.00 depending on the grade of the coin.
A 1887 Morgan Silver Dollar in fine condition (F12) is worth: $23.00. In a mint state of MS60, the value rises to: $40.00
The coin is a very common MORGAN dollar, circulated examples sell for $17.00-$26.00 depending on condition.
There were no silver dollars struck at Carson City in 1887. Any 1887 dollar with a CC mint mark is a counterfeit.
The coin is worth about $14.00 as of today just for the silver, if it's in a collectible circulated condition, value is $17.00-$26.00. For Morgan dollars 1887 is a very common year.