Micron pigma pens are great for repairing poorly stamped images, for freehand drawing on your scenes, or for writing in scrapbooks. The ink is an archival pigment black ink. It is allegedly waterproof and fade proof.
.005 is very fine, and allows you to create/repair very fine detail (.2mm)
.01 is a medium line (.25mm)
.05 is bold (.45mm)