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Please read the Piano Forum FAQ for more details. Also, read the piano FAQ for common questions on pianos Please don't ask us to place a value on your piano as an on site inspection is required. Contact you local piano tuner who will be more than happy to help.
Thank you to anyone that can help me out with my confusion! I would like to know when this piano was truly manufactured.
I didn't find the right solution from the Internet.
References http://forum.pianoworld.com/ubbthreads. ... ost2641582
Explainer Video Example
Near the bottom of that page, I list several Yamaha pianos that I have tuned, and verified the dates. You will have more chance of an accurate date if you look inside. See
Various prefixes are used, and I don't know what N or D mean.