C-58 Transparent Audio Cassettes with Vintage Super Ferro Music-Grade Audio Tape - Pre-Loaded Type I Cassettes - Audio Cassettes

Blank Cassettes: Audio - Universum - Ferro Super I - C - 120 - Germany (1977)

C-62 Sky Blue Cassettes with Hi-fi RTM Music-Grade - Pre-Loaded Type I Cassettes - Audio Cassettes

Blank Cassettes: Audio - Intersound - Ferro - C - 90 - Germany (1992)

Audio Cassettes

1990 BASF Ferro Extra I 90 Audio Cassette

Compact Cassette tape types and formulations - Wikipedia

Sage Audio

Cassettes audio, Musique, CD, vinyles - PicClick FR

Blank Cassettes: Audio - Universum - Ferro I - C - 60 - Germany (1977)

Black audio cassette, loaded with high quality iron oxide (Ferro) tape. Duration 90 minutes. Without plastic tab in the writing protection hole, to

Ferro 90 minutes audio cassette, black

Information Elcaset tapes - Tapehead

C-72 Classic Red Audio Cassettes with Vintage Super Ferro Music-Grade Audio Tape - Pre-Loaded Type I Cassettes - Audio Cassettes