For photos, click on the links below:

Natural finish bodies were introduced. There was now an extra body hole in the neck pocket for hanging while painting, except on bodies that were leftover from 1969. Instruments can be found with plastic wiring or a combination of plastic and cloth wiring. 

Other 1970 Telecaster bass characteristics: small logo including one patent applied under the finish, Fender name imprinted non-reverse clover tuners often with an ® mark and no rivet, solid maple neck with skunk stripe, black plastic dot fret markers, medium jumbo fret wire, neck butt date etc. ink stamps, fifth hole on neck butt for hanging while painting, 4 bolt F Series neck plate, non-contoured slab body, neck pocket  paint stick etc., white/black/white vinyl pickguardthumb rest under G string, single coil grey bobbin pickup with date ink stamp and wrapped in string, chrome pickup cover and bridge cover with foam rubber string mute, metal pots assembly plate, flat top knobs, Stackpole or CTS potentiometers (often with overstocked 1966 codes), round yellow tone capacitor, input jack cup, small slightly raised string grommets on body back, two saddle metal bridge, ground wire route underneath bridge, black tolex case with silver plastic logo.

Serial numbers ranged from roughly 273200 to 300000 although there are many overlapping exceptions. For more precise dating, cross reference the serial number with the instrument's neck butt stamp, pickup stamp and potentiometer codes.