Charles Rennie Mackintosh a??Rosesa?? design Laban Iridium B nib silver fountain pen. Two tone nib is marked Laban, Iridium, B, Laban "L" logo. Barrel & cap overlay may be sterling, however there was no hallmark. Pen is approx. 5 7/16" capped. Triangular shaped box included. Light wear marks on the trim, barrel & cap from normal use. This lot is one of many being offered today from a large estate collection.