How old is my kurtzmann piano serial number 28189?

To determine the age of your Kurtzmann piano with serial number 28189, you can refer to historical records or databases that track the production dates of Kurtzmann pianos. Generally, Kurtzmann pianos were produced in the late 19th and early 20th centuries, so your piano is likely from that time period. If you find a specific production year associated with that serial number, you can calculate its age from that year. For the most accurate information, consider reaching out to a piano expert or appraiser familiar with Kurtzmann pianos.