Steinway Serial Numbers by Year Manufactured See our popular article What Is My Piano Worth?.Take a look at the New Steinway Models and our Used Piano Listings.Article/Video: Understanding older pianos: New vs Used Steinway – why some pianos last longer and sound better than others.On Steinway grand pianos the serial number can be found on the cast iron plate between the tuning pins above the keyboard. On Steinway upright pianos the serial number can be located on top of the wrest plank (pinblock) above the cast iron plate when you open the lid. To determine the age of a Steinway piano we need to first locate the serial number. Steinert & Sons is actively buying quality used pianos.
