AKA, Kunst Stricken, Große und Kleine Decken 2004 edition.
Recently, this item went for US$81 on eBay, however, it can be bought brand new from German vendors for 12.90 Euros, (about US$20.)
Inside this folder is a black-and-white glossy page booklet of designs and several worksheets for the corresponding charts. Charts for 2 designs are not included in the folder, but can be obtained through
eta: