Lift the top lid; the number is frequently embossed or painted on the metal frame near the tuning pins.
If the number isn't on the plate, it may be stamped on the back of the "keyslip" (the wooden strip in front of the keys) or on the action frame itself. Beale Piano Age Chart beale piano serial number lookup
Use the following reference guide to estimate your piano's production year based on its serial number: Serial Number Range Approximate Year Historical Context 1893 – 1905 Early production at the Annandale factory. 16,449 – 24,990 1905 – 1910 Lift the top lid; the number is frequently