[[File:Tabo-Trasparente-Flatclip-3V-BlackTransp-Sr-Nib.jpg|thumb|Detail of a [[Tabo Trasparente]] nib]]
[[File:Tabo-Trasparente-Flatclip-3V-BlackTransp-Sr-Nib.jpg|thumb|Detail of a [[Tabo Trasparente]] nib]]
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The pens in this series were equipped with a 14-carat gold nib, bearing the engraving ''Tabo'' in capital letters above the ''Osmiridio'' inscription all over the carat weight value inside a diamond, expressed in thousandths. The steel nib versions always have the ''Tabo'' imprint above the word ''Iridium'', with no carat weight indication and only a number indicating the size of the nib.
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The pens in this series were equipped with a 14-carat gold nib, bearing the engraving ''Tabo'' in capital letters above the ''Osmiridio'' inscription all over the carat weight value inside a diamond, expressed in thousandths. The steel nib versions always have the''Tabo' above the word ''Iridium'', with no carat weight indication and only a number indicating the size of the nib.