1977, Austria. Original artist's painting by Prof. Otto Stefferl for the issue "17th Conference of the European Committee of Pulp and Paper Technology EUCEPA, Vienna". Acrylic on card with passepartout framing. Issued design. Size (netto) 208x275 mm.Some printer's notes on the reverse. Additionally there is 1 original artwork for this issue showing a non-adopted design (acrylic on card; size (netto) 192x147 mm). UNIQUE ARTWORKS. (Mi #1557) (MS) (Tax Method: Margin System) (Image)