Mattel Optigan Organ - Complete Set Of Original Keys

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

MATTEL OPTIGAN ORGAN RECORD - THE BLUES SWEET AND LOW - DISC # 70020 MELLOTRON

Mattel Optigan Model 35001 Key Cover Assembly

MATTEL OPTIGAN ORGAN RECORD - CHA-CHA-CHA - DISC # 70156 - VER. A MELLOTRON RARE

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

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

Mattel Optigan Speed and Reverb Control Knobs