"FALLOUT-SHIPWRECK" is a brand new finish process that involves forced patina of a Copper Alloy Side-Click Model.  The special finish was developed in house by TT's "resident scientist" & is applied to a smooth Copper Side-Click  Pen body. They will continue to patina and age over time. Each pen is unique but similar. Orders come with ONE pen. Popular Pilot G2 Refill.