>...the only definitive factory marking >was on the underside of the music shelf, in the center... >Conrad Hoffsommer... I have found two definite locations for the serial number on Steinways other than what you have mentioned, Conrad. The lyre props and under the piano in the treble/front area on what's called the Bottom Bridge (where the Lyre Top Block mounts) according to the Grand Piano, Cross Section diagram published by Steinway in 1987. What fun! Keith McGavern Registered Piano Technician Oklahoma Chapter 731 Piano Technicians Guild USA
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