Retro 51 Fountain Pen, Acid-Etched Dog Paws Barrel, Stonewashed Pewter, Med Nib The brass barrel has been acid etched to produce a distinctive dog paws pattern The custom-designed clip is in the shape of a dog bone Gift boxed in Retro 51 gift tube 5% of proceeds go to The Humane Society Custom designed by Retro 51 exclusively for iPenstore