KLIMT (Gustav) - KURZWEIL (Max). Ver sacrum. Vienna: Gerlach & Schenk, January-December 1898. - 12 folios in-4, 300 x 290. Paperback, blond half-calf folder with corners, title and illustration on front cover. Head of collection including the complete 1898 issue of this Austrian magazine founded by Klimt and Kurzweil. The official organ of the Viennese Secession, in its early years it reflected the spirit of Austrian art nouveau at the time. Initially published monthly, it became fortnightly in 1900, appearing until December 1903. The year 1898 saw 12 issues, 11 for each month of the year, with the months of May and June forming a single issue, and a supplement entitled Sonderheft devoted to an exhibition of Austrian artists. Contributors to the illustrations included Gustav Klimt, Fernand Khnopff, Alphonse Mucha, Koloman Moser, etc., while the texts were by Rainer Maria Rilke, Franz Servaes, Ricarda Huch and others. Each cover is illustrated with a different composition. Copies very well preserved, in the publisher's folder with slightly faded spine.