Here are some factors that can influence the value of a 1939 or 1945 nickel:
1. Condition and Rarity: Nickels in excellent condition, without any significant wear or damage, are more valuable. Scarcer mint dates and varieties, such as the 1939-D Jefferson nickel or the 1945-S Jefferson nickel, can also command a higher price.
2. Errors: Errors during the minting process can create unique characteristics in a coin, making it more valuable to collectors. For instance, off-center strikes, double strikes, or misaligned dies can increase the coin's value.
3. Numismatic Value: Some 1939 and 1945 nickels may have specific numismatic significance, such as being issued as part of a commemorative set, having a low mintage, or bearing special markings or inscriptions.
4. Grading: Coins graded by professional numismatic grading services, like the Numismatic Guaranty Corporation (NGC) or the Professional Coin Grading Service (PCGS), can be more valuable than ungraded coins. A higher grade indicates a better condition and authenticity, making it more desirable.
5. Market Demand: As with any collectible, market demand plays a role in determining value. If there is a high demand for a specific type of 1939 or 1945 nickel, its value may increase.
To determine the accurate value of your 1939 or 1945 nickel, it is recommended to consult with a professional coin dealer or appraiser. They can provide a proper assessment based on the specific characteristics of your coin.