SONY WALKMAN Not-for-Sale Demo Cassette "Marline / T.P.O." This is an extremely rare, not-for-sale sample cassette produced around 1983-84 for the promotion of the WALKMAN WM-20. It is an official promotional item made by CBS/SONY SPECIAL PRODUCTS and was not sold commercially. The front features a red WALKMAN logo design, and the sides have a WM-20-style design with PLAY/STOP/VOLUME/BATTERY markings. The back is printed with a pop-art WALKMAN logo and the song titles. It includes the "NOT FOR SALE" notation and has the appealing 1980s SONY graphics. [Tracklist] SIDE A (Vocals: Marline) 1. ZANZIBAR NIGHT (3:37) 2. GOTTA GET BACK (3:40) 3. LET ME BE YOUR ANGEL SIDE B (Performance: T.P.O.) 1. EYE IN THE NIGHT 2. TRANSCONTINENT [Condition] ・Completely unopened with shrink wrap ・No case cracks or sun damage, in collector's condition. [Specifications] ・Manufactured by: CBS/SONY SPECIAL PRODUCTS ・Purpose: WALKMAN WM-20 promotional sample ・Year: Around 1983-1984 ・NOT FOR SALE This is a gem recommended for SONY fans and WALKMAN collectors. Among the promotional items of the time, this one had particularly low distribution numbers, and in recent years, it has been traded at high prices even overseas. If you have any questions, please feel free to ask.