Marvy 1122 Le Plume II Sepia. Le Plume II watercolor marker is the ideal pen for your art or rubberstamping needs. The fine brush tip is large enough for direct use on rubberstamps. Make multi-colored impressions by using two or more pens on the rubber before stamping. Acid Free/Non-Toxic. Water Based Ink, Blendable. Duo ended medium brush point and extra-fine plastic point.