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[[File:PenCo-53-SteelGoldBandCap-BoxAndPens.jpg|thumb|Some [[Pen-Co 53]] ]]

[[File:PenCo-53-SteelGoldBandCap-BoxAndPens.jpg|thumb|Some [[Pen-Co 53]] ]]

The most famous models, however, are those of the 50s, some clear imitation of the [[Sheaffer]] [[Triumph Pen|Triumph]] models, with [[nib conical]], tapering lines and  [[Crest]] style metal cap. The [[Pen-Co 53]] was the top model, widely publicized on many magazines, so much to arouse the reaction of the [[Sheaffer]] Italian distributor.  

The most famous models, however, are those of the 50s, some clear imitation of the [[Sheaffer]] [[Triumph Pen|Triumph]] models, with [[nib conical]], tapering lines and  [[Crest]] style metal cap. The [[Pen-Co 53]] was the top model, widely publicized, so much to arouse the reaction of the [[Sheaffer]] Italian distributor.

But in addition to the conical nib version, although much less common, and virtually unknown until recently, ''Pen-Co'' also produced variants with ordinary open nib, like the one shown in the photo at left, as [[Sheaffer]] had done with [[Admiral]] or [[Sheaffer Saratoga|Saratoga]].

But in addition to the conical nib version, although much less common, and virtually unknown until recently, ''Pen-Co'' also produced variants with ordinary open nib, like the one shown in the photo at left, as [[Sheaffer]] had done with [[Admiral]] or [[Sheaffer Saratoga|Saratoga]].