Keep in mind that not all silver dollars have the CC mintmark. If your coin does have a CC mintmark it would be above the DO in dollar on the back of the coin.
CC is the mint mark for Carson City, but that mint didn't open until 1870.
The Carson City mint opened in 1870. If your coin is dated 1860 with a CC mint mark it's a counterfeit.
You are going to have to provide the year the coin was minted - the mint mark 'CC' (Carson City) was minted on multiple year Silver Dollar coins.
Yes. It could have a CC or S mintmark.
There were no silver dollars struck at Carson City in 1887. Any 1887 dollar with a CC mint mark is a counterfeit.
The Carson City mint only operated from 1870 to 1893. There are many fake "CC" coins with other dates so if you have an 1840 'dollar' with that mint mark it's a fake.
The mint mark on Morgan silver dollars can be found on the reverse (tails) side, near the bottom, just above the letters "do" in the word "dollar."
The mint mark on all Morgan silver dollars is located on the reverse side of the coin just above the letters "DO" in the word "DOLLAR".
If you have a Liberty Seated Dime, the "CC" mint mark will be on the reverse [tails] side of the coin at the bottom and can be either inside the wreath or just below it. If you have a Liberty Seated Quarter the "CC" mint mark will be on the reverse [tails] side of the coin at the bottom below the eagle. If you have a Liberty Seated Half Dollar the "CC" mint mark will be on the reverse [tails] side of the coin at the bottom below the eagle. If you have a Lbert Seated Silver Dollar the "CC" mint mark will be on the reverse [tails] side of the coin at the bottom below the eagle. If you have a Silver Trade Dollar the "CC" mint mark will be on the reverse [tails] side of the coin a the bottom just above the "D" in "DOLLAR" If you have a Morgan Silver Dollar the "CC" mint mark will be on the reverse [tails] side of the coin at the bottom below the wreath.
It may not have one, but all mintmarks on Morgan dollars are on the back under the eagles tail.
Please look at the coin again. No 1887 Morgans exist with CC mintmarks.