|Note_en=Advertising for the [[Duofold]] model, with also the ''"De Luxe"'' version, in its colors for the unbreakable barrel and the 25 year warranty on the nib. | |Note_en=Advertising for the [[Duofold]] model, with also the ''"De Luxe"'' version, in its colors for the unbreakable barrel and the 25 year warranty on the nib. |