How much is my 1938 wheat penny with no mint mark worth?

A 1938 wheat penny with no mint mark, which was minted in Philadelphia, typically has a value of about 3 to 5 cents in circulated condition. If it's in uncirculated or high-grade condition, it could be worth $10 or more. The exact value can vary based on factors like condition, demand, and market fluctuations. For a precise valuation, consider consulting a coin expert or using a coin appraisal service.