Is this Enid Blyton item rare?

As a 1979 Radioplay, it holds specific collectible value within the Non-Music genre.

What is the format of this recording?

It is presented in the Radioplay style, featuring the work of Enid Blyton.

This version of "Rätsel Um Den Unterirdischen Gang (4)" was released in 1979.

Name: Enid Blyton - Rätsel Um Den Unterirdischen Gang (4)
Brand: Enid Blyton

Non-Music

Non-Music · 1979

Year · 1979Genre · Non-MusicStyle · Radioplay

Used

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New / Sealed

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Is this Enid Blyton item rare?: As a 1979 Radioplay, it holds specific collectible value within the Non-Music genre.
What is the format of this recording?: It is presented in the Radioplay style, featuring the work of Enid Blyton.
When was this specific recording released?: This version of "Rätsel Um Den Unterirdischen Gang (4)" was released in 1979.