1977, Austria. Original artist's painting by Prof. Otto Stefferl for the issue "Intl. Atomic Energy Agency IAEA, 20th Anniversary". Acrylic on card with passepartout framing. Issued design. Size (netto) 205x230 mm. Some printer's notes on the reverse. UNIQUE ARTWORK. (Mi #1548) (MS) (Tax Method: Margin System) (Image)