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A Picture Gallery with an Artist Painting a Woman and a Girl. Allegory of the Art of Painting (1659 ` 1669) --Gillis van Tilborgh (Flemish, 1625-1678)
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Mountainous Landscape with Ruins of a Castle and Three Men in a Cave, Seen through a Stone Gate (late 18th–early 19th century) --Johann Caspar Huber (瑞士画家, 1752-1827)