A Mermaid Being Mobbed by Seagulls by Giovanni Segantini (19th Century)
Vanitas Still Life, 1630, by Pieter Claesz (c. 1597-1660)
Many books decorate their endpapers with paper marbling, a method of using color patterns floating in liquid to dye paper. This particularly vibrant example is from a copy of Linnaea entomologica bd.8.
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[image description: digital sketch of five black cats on a plain pale green background, sitting in various poses with different facial expressions. end image description]
Irish summers, County Kerry, Ireland 1988 - by Harry Gruyaert (1941), Belgian