Here are some factors that can affect the value of a Mason Hamlin Liszt pump organ:
* Condition: The overall condition of the organ is one of the most important factors in determining its value. Organs that are in good condition, with all of their original parts, will be more valuable than organs that are damaged or missing parts.
* Age: Mason Hamlin Liszt pump organs were made from the late 19th century to the early 20th century. Organs that are older will generally be more valuable than organs that are newer.
* Provenance: The provenance of an organ can also affect its value. Organs that have been owned by famous musicians or that have been featured in important concerts will be more valuable than organs that do not have a notable history.
If you are interested in buying or selling a Mason Hamlin Liszt pump organ, it is important to do your research to determine the fair market value of the instrument. You can consult with an appraiser or dealer who specializes in musical instruments to get an accurate estimate of the organ's value.