Concorde Silver Rollerball Square pattern. The Concorde Rollerball however has been re-introduced and given a make-over especially for the 100 Year Anniversary which was in 2018, and now has a square pattern on the silver cap & body. The Concorde Rollerball is a unisex pen and has an engraving space alongside the clip on the cap. It is also fully hallmarked. In Luxury Presentation Box (code 0129) including 10 year guarantee and cleaning cloth.