|Note_en={{Dating|guess}} lower limit from trademarks dates. Advertising letter for the ''Penna Eclisse'' (''The Eclipse Pen''), unlikely related to the american [[Eclipse]] brand. {{Source|original}} | |Note_en={{Dating|guess}} lower limit from trademarks dates. Advertising letter for the ''Penna Eclisse'' (''The Eclipse Pen''), unlikely related to the american [[Eclipse]] brand. {{Source|original}} |