Stockhausen* Prozession worth

Based on the catalog data provided, the different versions of *Prozession* have varying values depending on the specific release. The most expensive used version listed is the *Stockhausen* – *Prozession (Vinyl, LP) (Electronic)* at $118 used [1]. A more affordable option is the *Stockhausen* – *Prozession (Vinyl, LP) (Electronic)* listed at $9 used [2], while the version *For Tamtam, Viola, Elektronium, Piano, Filters And Potentiometers* is valued at $21 used [3]. The other two listed versions are currently unpriced in the catalog.