You will find it in front of the tuning pins, usually stamped in ink on the metal frame.
Every piano has a serial number, just like a car with a VIN number. Piano serial numbers identify the: Age of your piano, the Piano's year of manufacture, as well as The circumstances surrounding the production of your piano, including factory history, manufacturing processes, and company ownership and oversight Find Your Piano's Age & History Piano serial numbers identify the (1) age of your piano, the (2) piano's year of manufacture, as well as (3) the circumstances surrounding the production of your piano, including factory history, manufacturing processes, and company ownership and oversight You may want to find out the age of the piano. If you cannot find the serial number, and would like personal assistance Click Her Step 2: Download this handy PDF document and find the age of your piano based on its manufacturer and serial number. There are times when your piano or number is not listed Find where your number falls, and that will give you an idea within 5 years as to when your piano was built. The number is for the first piano made in year shown.
The age of your piano is determined by the serial number. You can find the year below that your piano was made and the manufacturer in most cases.