How old is a bradbury upright piano serial number 131394?

To determine the age of a Bradbury upright piano with the serial number 131394, you'll need to refer to the manufacturer's records or a serial number guide specific to Bradbury pianos. Generally, Bradbury pianos were produced in the early to mid-20th century, and serial numbers can often help date the instrument to a specific year or range. If the number falls within known production years, you can estimate its age accordingly. For precise dating, consulting a piano technician or a piano appraiser may also be helpful.