Hi Nigel,
Please take a moment and write the serial number of these basses in the control cavity for future reference.
Here's what I found in the files:
83S2903
top: Quilted Maple
body: Mahogany
through body neck: 3-piece Maple, 32 medium scale
fingerboard: Ebony with pearloid inlays
birthday: October 11, 1983
originally made for: Akron Music
88P4783
top: Walnut
body: Mahogany
through body neck: Maple, 32 medium scale
fingerboard: Ebony with pearloid oval inalys
birthday: February 12, 1988
originally made for: Manny's Music
Neither instrument had previously registered owners.