1971, Austria. Original artist's painting by Prof. Otto Stefferl for the issue "Traffic Safety" showing "Watch Out for Children". Acrylic on card with inscription montage. Passepartout framing. Issued design. Size (netto) 272x190 mm. UNIQUE ARTWORK.(Mi #1354) (MS) (Tax Method: Margin System) (Image)

1971, Austria. Original artist's painting by Prof. Otto Stefferl for the issue "Austrian Automobile, Motorcycle and Touring Club, 75th Anniversary" showing "Marcus Car". Acrylic on card. Passepartout framing. Issued design, but different coloring. Size (netto) 255x197 mm. UNIQUE ARTWORK. (Mi #1371) (MS) (Tax Method: Margin System) (Image)

1975, Austria. Original artist's painting by Prof. Otto Stefferl for the issue "Introduction of Obligatory Use of Automobile Safety Belts" showing "Safety Belt and Skeleton Arms". Acrylic on card with passepartout. Issued design. Size (netto) 210x276mm. Some printer's notes on the reverse. UNIQUE ARTWORK. (Mi #1483) (MS) (Tax Method: Margin System) (Image)

1975, Austria. Original artist's painting by Prof. Otto Stefferl for the issue "100th Birth Anniversary of Ferdinand Porsche, Engineer and Auto Maker". Acrylic on card with inscription overlay and passepartout. Issued design, but different coloring.Size (netto) 253x195 mm. Some printer's notes on the reverse. UNIQUE ARTWORK. (Mi #1491) (MS) (Tax Method: Margin System) (Image)