@en|Scanning of a '10s [[Waterman]] advertising for a PSF (''Pocket Self Filler'') [[lever filler]] model. Published probably on ''L'Illustration''. Retouched by the author for a better sharpness. Dating between 1915 and 1918. | @en|Scanning of a '10s [[Waterman]] advertising for a PSF (''Pocket Self Filler'') [[lever filler]] model. Published probably on ''L'Illustration''. Retouched by the author for a better sharpness. Dating between 1915 and 1918. |