
Based on the provided information, the value of a 1963 Washington quarter is contingent upon several key factors, primarily its silver content, its physical condition or grade, and its mint of origin. The context from one source was not relevant to the query.
The fundamental value of any 1963 quarter is derived from its metallic composition. These coins were struck from an alloy of 90% silver and 10% copper. This gives the coin an intrinsic melt value based directly on the current spot price of silver. For a common, circulated 1963 quarter, its worth is typically very close to this melt value. As silver prices fluctuate daily, so does the base value of the coin.
Beyond the intrinsic silver value, a numismatic or collectible premium may be applied, which is largely determined by the coin's condition. A heavily worn or circulated specimen will usually only be worth its silver content. However, a coin that is in uncirculated or "Mint State" condition, showing no signs of wear and retaining its original luster, will command a higher price. The specific grade of the uncirculated coin further dictates its value, with higher grades fetching progressively larger premiums.
In 1963, quarters were produced at two U.S. Mint facilities: Philadelphia, which did not use a mint mark, and Denver, which used a "D" mint mark. Both mints had very high production numbers for these coins, making them quite common today. As a result, in circulated grades, there is no significant value difference between a Philadelphia and a Denver issue. The value for both is tied to their silver melt price. For collectors seeking high-grade uncirculated examples, slight variations in value may exist based on rarity in those top conditions. Additionally, proof versions were minted in Philadelphia for collectors and carry a separate, higher value due to their special finish and lower mintage.


