Buy it now: www.iguanasell.com The natural lustre and cool prestige of guilloche-engraved sterling silver is a vision of contemporary chic.. Splendidly radiant, the signature-engraved rhodium-plated 18K solid gold nib expresses the exquisite touch of WATERMAN perfection. The WATERMAN W - a masterpiece of technical excellence in an original and sophisticated overlapping of circle and square.