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[[File:Conklin-Endura-Big-Series-Colors-Capped.jpg|thumb|A set of [[Endura]]]]
The [[Endura]] was the top model of [[Conklin]], with the name put on the nib and the body, produced in three version, a short vest pocket, a standard and senior senior size. In the same time were also produced an economic model for students (that so collector are calling [[Conklin Student|Student]]), with the same shape and dimension of the [[Endura]] standard model, also produced in pastel colors.
[[Image:1924-08-Conklin-Endura-Student.jpg|thumb|left|An [[Endura]] AD's of 1924.]]