Set of ten vintage TDK D90 cassette tapes, manufactured by TDK in 1988-1989.

In good condition with unused card inlays and labels.

All write-protect tabs intact.

Owned from new and kept in custom-built storage at room-temperature, in dust-free and dry conditions since purchase. 

Tapes wound through twice to check mechanics are sound and sample playback tested to check tape quality.

Most tapes contain off-air radio recordings from the 1980s and 1990s.