|Note_en=Advertising for the [[Duofold]] model. Mention the three size, ''"Senior"'', ''"Junior"'' and ''"Lady"'' and the nib quality for the 25 years warranty. | |Note_en=Advertising for the [[Duofold]] model. Mention the three size, ''"Senior"'', ''"Junior"'' and ''"Lady"'' and the nib quality for the 25 years warranty. |