mid 1080's

[Dave Nereson]

.<<  I refinished it, cleaned it out, repainted the plate and restrung it
including a rescaling job.  I sold it to a dealer for a price that suited me
and the dealer sold it to a customer as a "good deal".  That was in the mid
1080's and I still tune that piano every year.>>

        (predating Cristofori by about 700 years)