確認しましたがこの年代のものはルーティング加工されておりネックデートは確認出来ません
このベースに限らず76年以降のFenderのビンテージベースほとんどにそれが言えます
シリアルから80年頃のものではないかと推測できます
Double Anniversaryをベースに6120風にモディファイされております
ペグをシュパーゼル・ロックペグにフレット&ナット交換に加えピックアップがTV JONESになっています
Bigsbyの交換とブリッジがGotohのABR-1タイプに交換されています
Not only this bass, but also applied to most of the vintage basses of Fender manufactured after '76.
I guess it was made around the 80s due to the serial number.
This bass had been modified like 6120 based on Double Anniversary.
Customized details:
tuning pegs for Sperzel locking tuner, fret and nut replacement, TV Jones pickup, bigsby replacement, and bridge for Gotoh ABR-1.
It has been modified into 6120 style based on Double Anniversary.
The peg has been exchanged with Sparsely-rock peg and also fret and nut have been exchanged.
Also the pick-up was changed into TV JONES.
Bigsby has exchanged and fridge has been exchanged with ABR-1 type from Gotoh, too.
Double Anniversary model has been modified to resemble 6120.
Pegs are replaced with Sperzel lock pegs, frets and nut have been replaced and in addition, the pickups are replaced with TV Jones.
Bigsby has been replaced and the bridge has been replaced with Gotoh ABR-1 type.
And not only this bass, but also Fender Vintage bass after '76 are all the same.
From the serial number, we can tell it is probably product from the 80's.
It is modified into 6120 style based on Double Anniversary.
Peg was changed from Fret and Nat into SPERZEL rock peg, and pickup was changed into TV JONES.
Bigsby was changed and bridge was also changed into Gotoh's ABR-1 type.