|Note_en=Advertising for the [[Duofold]] models, with the new ''Deluxe'' version with three rings, and the [[Quink]] ink mentioning its features of quick drying and cleaning capacity. Mention the new ''[[streamlined]]'' design anche the [[celluloid]] called ''[[Permanite]]''. | |Note_en=Advertising for the [[Duofold]] models, with the new ''Deluxe'' version with three rings, and the [[Quink]] ink mentioning its features of quick drying and cleaning capacity. Mention the new ''[[streamlined]]'' design anche the [[celluloid]] called ''[[Permanite]]''. |