The numismatic item in question is a specific year and mint mark variant of a United States silver dollar. Struck in 1904 at the San Francisco Mint, it represents one of the final years of production for this particular design and composition of dollar coinage. Its value is determined by factors such as its condition, rarity, and the prevailing price of silver.
This coin holds significance for collectors due to its relative scarcity compared to other years of the series. Its historical context places it within the era of westward expansion and the increased importance of silver mining in the American economy. Acquiring and preserving examples allows for a tangible connection to this period of American history.