See the post for complete details.
Left: Faber-Castell Pitt Artist's Calligraphy Pen with gouache background and text. In a 9 x 12 inch Fabriano Venezia journal. You can see the edge of the page, the gutter, on the left where the color changes.
What started earlier as a sketch of the head of a dog-park dog turned into something totally different as I doodled later—just because it's fun to move the pen around on this paper. (He looked like a Jasper to me.)