Mattel Optigan Organ - Complete Set Of Original Keys

Mattel Optigan Speed and Reverb Control Knobs

Mattel Optigan Organ Program Disc - THE BLUES / SWEET AND LOW - RARE - SEALED!

(1) Complete Full Octave CONN Organ Keys Fits Many Different Models

Mattel Optigan Top Panel Assembly (part 1341)

MATTEL OPTIGAN ORGAN RECORD - BOSSA NOVA STYLE - DISC # 70013 - VER. K MELLOTRON

(1) Complete 1/2 Octave w/High C CONN Organ Keys Fits Many Different Models

Optigan Organ Disc BIG ORGAN AND DRUMS - 1970's Mattel 6900011