How old is a Balwin Acrosonic number 570366?

The Baldwin Acrosonic pianos were produced primarily from the 1940s to the 1960s. The serial number 570366 indicates that this piano was likely manufactured around the late 1950s to early 1960s, making it approximately 60 to 70 years old as of 2023. For a more precise age, consulting Baldwin's serial number charts would be beneficial.