Heintzman, had become president of the Sherlock-Manning Piano Co and in 1978 a merger of Heintzman and Sherlock-Manning under William’s presidency was announced, the name Heintzman Limited was adopted, and headquarters were moved to Hanover, Ont. It is reasonable to assume that the serial numbers of Heintzman pianos began at 1000.
Once you know the name brand of your piano, you will need to find the serial number.Step 1: The serial number is usually found on the plate of the piano between the bass and tenor strings. It can also be found on the top of the piano when you open the lid on Upright Pianos.
You are looking for a number like those shown here.Serial Numbers on Upright PianosSerial Numbers on Grand PianosThese are usually found on the “Plate” near the tuning pins between the bass and tenor sections as shown below.