Found this 1971 original Led Zeppelin cassette : r/cassetteculture

Led Zeppelin Music Cassettes for sale

Led Zeppelin – Untitled (1971, Version 1, Vinyl) - Discogs

4 vintage Led Zeppelin cassettes: 1, 2, 3, and Houses of the Holy - All EX, play-tested - PP Goods & Svcs $30 + $3.65 Media Mail w/tracking : r/ cassetteculture

Label & No. Atlantic 82678-4 [Digalog®] [Digitally Mastered] [Remastered version by Jimmy Page from the Original Master Tapes] Condition: Mint

LED ZEPPELIN (Jimmy Page) - III - Cassette Tape (1970/1994) [Digalog

The Living Archive of Underground Music: Hal McGee

Not sure how old it is.1st issue cassette? : r/ledzeppelin

Led Zeppelin IV. : r/vinyl

4 vintage Led Zeppelin cassettes: 1, 2, 3, and Houses of the Holy - All EX, play-tested - PP Goods & Svcs $30 + $3.65 Media Mail w/tracking : r/ cassetteculture

4561 best Led Zeppelin IV images on Pholder Ledzeppelin, Led Zeppelin Circlejerk and Old School Cool