Originally Posted by Virginia
Don't you mean "Bluebird"?
No, the Blackbird was a Graphite/Boron frame with a brown lacquer finish from around 1988.
Oliver was taken over by a German company in the late 1980's.
They still maufacture rackets today.
Check the German version of the big auction site.
The racket looks a lot like the german GrapHit from W. Bungert.