Japanese Fountain Pen VANISHING POINT / Capless Raden Stripe / 18k Medium -nib with converter (CON-50). High class Japanese fountain pen. Raden / Stripe – Medium. This Vanishing Point fountain pen features a black barrel with multi-colored abalone shells, hand-lacquered finish (URUSHI) with shiny rhodium accents, including the rhodium-plated 18kt gold nib. This Vanishing Point fountain pen comes beautifully paulownia wood gift box, and with converter CON-50.