Sonan's Picture Book (Sonan gafu) 楚南画譜

Two-page spread from a book with a pencil drawing of swallows in flight. The pages are yellowed and worn. A thin black line borders the drawing on both pages. On the left page, two swallows are flying towards the right. On the right page, four swallows are flying to the right. The swallows are drawn in various positions; some are flying with their wings spread and some with their wings tucked in. The swallows have long pointed beaks. The background of both pages is a light gray color. The image is by Onishi Chinnen.