What is painting two girls at piano worth by louis jambor?

The value of "Two Girls at Piano" by Louis Jambor can vary significantly based on factors such as the artwork's condition, provenance, and current market demand. Generally, works by Jambor can sell for anywhere from a few thousand to tens of thousands of dollars at auction or through galleries. For an accurate appraisal, it's advisable to consult with an art expert or auction house specializing in works of that era and style.