@en|Scanning of a 1928 [[Sheaffer]] advertising for some [[Lifetime Flattop|Lifetime]] models. Published probably on ''The National Geographic Magazine''. Retouched by the author for a better sharpness. Dating provided by seller. | @en|Scanning of a 1928 [[Sheaffer]] advertising for some [[Lifetime Flattop|Lifetime]] models. Published probably on ''The National Geographic Magazine''. Retouched by the author for a better sharpness. Dating provided by seller. |