1. Condition: The condition of the coin is crucial in determining its value. Quarters that are well-preserved, with minimal wear and tear, are generally worth more than those that are heavily circulated and show significant signs of wear.
2. Mint Mark: The mint mark on an 1898 US quarter can also affect its value. Quarters minted in different locations (Philadelphia, Denver, or San Francisco) may have different mintages, which can influence their rarity and value.
3. Rarity: Some 1898 US quarters are considered rare due to their low mintage or unique characteristics. For example, the 1898-S quarter, minted in San Francisco, has a lower mintage than other quarters from that year, making it more valuable to collectors.
4. Errors and Varieties: Quarters with errors or varieties, such as misaligned strikes, die cracks, or doubled dies, can also be highly sought after by collectors and command higher values.
5. Market Demand: The overall market demand for 1898 US quarters can also impact their value. Quarters that are in high demand among collectors or investors tend to have higher values than those that are less sought after.
In general, an 1898 US quarter in average circulated condition can be worth anywhere from a few dollars to several tens of dollars. However, rare or exceptionally well-preserved specimens can fetch significantly higher prices, especially in auctions or among specialized coin collectors.
For an accurate assessment of the value of a specific 1898 US quarter, it is recommended to consult with a professional numismatist or coin dealer who can examine the coin and provide a reliable valuation based on its specific characteristics and condition.