@en|Scanning of a February 1919 [[Sheaffer]] advertising for a ''[[Flat top]]'' model (No. 5, for $5.25). Published on ''The National Geographic Magazine'', Vol. XXXV, No. 2. Retouched by the author for a better sharpness. Date on the back cover. | @en|Scanning of a February 1919 [[Sheaffer]] advertising for a ''[[Flat top]]'' model (No. 5, for $5.25). Published on ''The National Geographic Magazine'', Vol. XXXV, No. 2. Retouched by the author for a better sharpness. Date on the back cover. |