Copenhagen: S.p. (Andersen), n.d. (c. 1971)
8 x 12.5cm, 4pp plastic wallet from a filofax which has four typed texts on adhesive tape applied to each surface – two say “MATERIAL NECESSARY FOR OPUS SHOULD BE USED” and the other two “OPUS QUOTATION”. Handmade object multiple and usual Fluxus mail art. VG.