The numismatic value of an 1890 Morgan silver dollar with an "S" mint mark is highly dependent on its physical condition, or grade. This coin, struck at the San Francisco Mint, had a mintage of 8,230,373, making it relatively common in circulated grades but considerably rarer in high-end uncirculated condition.
For coins that show signs of wear from circulation, the value typically ranges from approximately $33 to $65. A specimen in "Good" condition might be valued around $33 to $40, while a coin in "Extremely Fine" or "About Uncirculated" condition could command a price in the range of $47 to $65. These values are well above the coin's intrinsic silver melt value, which is approximately $21.
The value increases significantly for uncirculated, or Mint State (MS), examples. A lower-end uncirculated coin, graded MS-60, is estimated to be worth around $78 to $80. The price escalates with each subsequent grade. An MS-63 example is valued at approximately $125 to $149, and an MS-64 at about $225 to $236. The most substantial increases occur at the gem level. An MS-65 specimen can be worth around $600, while an exceptionally preserved MS-66 coin can be valued in the thousands of dollars, with one price guide suggesting a value as high as $4,250.
Ultimately, the precise worth of an 1890-S Morgan dollar is determined by a professional assessment of its grade, as subtle differences in surface quality, strike, and luster can lead to substantial variations in market value.
