Slimline Style Gatsby Style Vertex Style Mechanics Style All Unique-Pens are made one at a time at the WilleeCue shop in Corpus Christi Texas.Unless otherwise stated each are unique and different from all the others.The style might be the same but the materials, colors, and shapes are all different.This is what makes your pen “UNIQUE” … No one will have a pen like yours.All Unique-Pens are warranted … if one ever breaks for any reason it will be repaired or replaced for free.