For photos, click on the links below:

1976 Ric 4000 features: Cresting wave shaped headstock, Kluson riveted tuners with phillips head screws and black plastic tuner bushings and shims, plastic truss rod cover with raised logo, 20 frets, glued in neck with skunk stripe, pearloid dot fret markers, no binding, four pole pickup including cover and chrome surround, white plastic pickguard, two black heptagonal knobs with silver tops, chrome bridge assembly including mutes, CTS potentiometers, yellow capacitor, mono input jack plate, pots cavity marking, strapholder, black case with black interior.

The letters on the chrome input jack plate determine the year and month of production. The digits indicate the number of production. Some examples of 1976 Rickenbacker serial numbers are:

PA xxxx 1976 January
PB 143x 1976 February
PC 209x 1976 March
PD 290x 1976 April
PE 396x 1976 May
PF 474x 1976 June
PG 504x 1976 July
PH 585x 1976 August
PI xxxx 1976 September
PJ 709x 1976 October
PK 761x 1976 November
PL xxxx 1976 December