@en|Scanning of a November 19, 1930 [[Swan]] advertising for some [[Eternal]] models. Published on ''Punch''. Retouched by the author for a better sharpness. Date on the other side of the sheet. | @en|Scanning of a November 19, 1930 [[Swan]] advertising for some [[Eternal]] models. Published on ''Punch''. Retouched by the author for a better sharpness. Date on the other side of the sheet. |