From Google Translate: "A further edition in this or even in printed form could not be realized for the third digital version, which has grown further. Therefore, in autumn 2021, he decided to make the new edition (2022) available for download in the token forum free of charge and freely available as PDFs."
https://www.coinbooks.org/v25/club_nbs_esylum_v25n01.html#article6
https://wertmarkenforum.de/wertmarkenkatalog-von-peter-menzel/