Dating your ovation guitar
There are also separate charts for Adamas and Collector's series guitars.
The acoustic models are manufactured since late 1989 in Bozeman, Montana.
WOULD LIKE TO SELL BUT DON'T KNOW THE AGE OF INSTRUMENT.. Yo, I have a Custom Balladeer 1862-447600 made in 1993 if that helps at all!
From 1902 to 1976, Gibson instruments have a serial number or a FON (Factory Order Number) or both.
However, in the beginning this was not done consistently, so that there are also be instruments without identification.