@en|Scanning of a May 29, 1926 [[Parker]] advertising for the [[Duofold]] model. Published on ''The Saturday Evening post''. Retouched by the author for a better sharpness. Date on the back side. | @en|Scanning of a May 29, 1926 [[Parker]] advertising for the [[Duofold]] model. Published on ''The Saturday Evening post''. Retouched by the author for a better sharpness. Date on the back side. |