Assuming the coin is circulated and has no mintmarks, current retail value is $33.00-$44.00 depending on how much wear the coin shows. The 1888 Morgan dollar is very common.
Please look at the coin again. The Carson-City Mint did not issue any Morgan dollars for 1888.
It is not difficult to find one.
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Assuming the coin is circulated, the 1888 Morgan dollar is a common, value is $32.00-$38.00 depending on grade.
One dollar.
One dollar.
One dollar.
If there is one it's on the back above the letters DO in the word dollar.
One dollar.
One dollar.
One dollar, and they have no silver in them.
One dollar.