|Note_en=Scanning of a June 12, 1926 [[Swan]] french advertising for a [[safety]] model. Published on ''L'Illustration''. Retouched by the author for a better sharpness. Dating on the other sheet side. | |Note_en=Scanning of a June 12, 1926 [[Swan]] french advertising for a [[safety]] model. Published on ''L'Illustration''. Retouched by the author for a better sharpness. Dating on the other sheet side. |