Watercolor, water soluble pastels, and graphite.
Graphite and ink.
Water soluble graphite, ink, and Conté crayon.
Paper, watercolor, micron, graphite.
Left: ink. Right: water soluble pastels.
Ink and water soluble graphite.
Ink, wine, tea, and pastel.
Left: Graphite and Micron pens. Right: Micron and Copic markers.