Also known as: 筆ペン, 筆
A tag used when an image has elements created through use of a calligraphy brush. For a calligraphy brush appearing in an image, use Calligraphy Brush.
Pictures painted using a calligraphy brush may contain Asian writing (as seen in post #3218220) and a Seal Impression (also shown in example).
It is distinct from Watercolor (Medium).