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{{Infobox_Brand|Olo}}</noinclude>The ''Olo'' was started as a sub-brand of [[Aurora]] in [[1929]], more or less simultaneously with the ''sister'' [[ASCO]] and with the release of [[Duplex]] celluloid model. The ''Olo'' brand appears to have been created to address the the medium and low segment of the fountain pen market, to complement the production of first tier models marked [[Aurora]] with lower price (and obviously less valuable) but always of good quality fountain pens. But the trademark was actually recorded  ({{Marchio|41031}}) in [[1929]] for something totally different: ''milk, tea, coffee and surrogates, edible oils and fats, ..., lace, embroidery , felt, paper, paperboard, paper for upholstery, etc.''.

{{Infobox_Brand|Olo}}</noinclude>[[File:1939-09-Catalogo-UnioneCooperativeMilano-Aurora.jpg|thumb|upright|An advertisement with an ''"Olo Gamma 23"'']] The ''Olo'' was started as a sub-brand of [[Aurora]] in [[1929]], more or less simultaneously with the ''sister'' [[ASCO]] and with the release of [[Duplex]] celluloid model. The ''Olo'' brand appears to have been created to address the the medium and low segment of the fountain pen market, to complement the production of first tier models marked [[Aurora]] with lower price (and obviously less valuable) but always of good quality fountain pens. But the trademark was actually recorded  ({{Marchio|41031}}) in [[1929]] for something totally different: ''milk, tea, coffee and surrogates, edible oils and fats, ..., lace, embroidery , felt, paper, paperboard, paper for upholstery, etc.''.