@en|Scanning of an August 1921 [[Sheaffer]] advertising for a ''[[Lifetime]]'' model (8C at $8.75). Published on ''The National Geographic Magazine'', Vol XL, Nr. ?. Retouched by the author for a better sharpness. Date on the back cover. | @en|Scanning of an August 1921 [[Sheaffer]] advertising for a ''[[Lifetime]]'' model (8C at $8.75). Published on ''The National Geographic Magazine'', Vol XL, Nr. ?. Retouched by the author for a better sharpness. Date on the back cover. |