What is a 1974 signed oil painting by al bertram worth?

The value of a 1974 signed oil painting by Al Bertram can vary significantly based on factors such as its size, subject matter, condition, and provenance. Generally, works by lesser-known artists like Bertram may range from a few hundred to a few thousand dollars. To obtain a more accurate valuation, it would be advisable to consult art appraisers or auction houses specializing in similar artworks.