By A Mystery Man Writer
The subject coin here is the 1900-O/CC Morgan Dollar, a fantastic over mint mark coin that clearly shows the “O” mint mark of the New Orleans Mint superimposed atop the “CC” mint mark.
Morgan dollar - Wikipedia
11 Morgan Silver Dollars That Can Be Both Common & Key Date Coins
Errors & Varieties
PCGS - Page 8 of 21 - CoinWeek: Rare Coin, Currency, and Bullion
1900 O/CC Morgan Dollar Coin Pricing Guide
1900-O/CC result of Carson City shutdown - Numismatic News
PCGS Coin News
Morgan Dollars (1878-1921), Coin Explorer
1890 Morgan Silver Dollar Value
When Was The Last Silver Dollar Made? - Chronicle Collectibles
1900-O/CC Morgan Silver Dollar NGC G–V
1892 Morgan Silver Dollar Value