@en|Scanning of an October 1921 [[Sheaffer]] advertising for a ''[[Lifetime]]'' model. Published on ''The National Geographic Magazine'', Vol. LV, Nr. 4. Retouched by the author for a better sharpness. Date on the back cover. | @en|Scanning of an October 1921 [[Sheaffer]] advertising for a ''[[Lifetime]]'' model. Published on ''The National Geographic Magazine'', Vol. LV, Nr. 4. Retouched by the author for a better sharpness. Date on the back cover. |