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1979 Jazz bass characteristics: Smaller headstock decal logo including serial number usually beginning with an "S9" or "S8" and applied under the finish (for more precise dating, cross reference the serial number with the instrument's neck butt stamp, pickup stamp and potentiometer codes), Schaller "open back" Fender name imprinted clover tuners with an ® mark and no rivet, bullet truss rod adjustment at headstock, one piece maple neck with skunk stripe, pearloid block fret markers, white plastic neck binding, medium jumbo fret wire, neck butt date etc. ink stamps, extra hole on neck butt for hanging while painting, 3 bolt F Series neck plate with tilt adjust and no serial number, neck pocket paint stick etc., extra body holes in neck pocket for hanging while painting, neck pocket date sticker, black/white/black/white or white/black/white vinyl pickguard, pickguard date sticker, metal foil ground shielding on pickguard underside, thumb rest above E string, date ink stamped grey bobbin pickups, chrome pickup cover and bridge cover with foam rubber string mute, black plastic volume and tone knobs with numbers, CTS potentiometers, round yellow or orange tone capacitor, plastic wiring, round ground wire route underneath bridge, single groove bridge saddles, Tolex case with silver plastic logo and rust or black interior or rectangular plastic case with rust colored interior, hang tag.