自画像。站在这位艺术家旁边的是他的父亲兼老师扬·毛里茨·昆哈德(1688-1772)-Julius Henricus Quinkhard
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Self Portrait. Standing beside the Artist is his Father and Teacher Jan Maurits Quinkhard (1688~1772) (1757) --Julius Henricus Quinkhard (荷兰艺术家, 1736-1776)
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An Allegory of the Arts with Isis and Geometry Attending the Three~headed Figure of Painting and Sculpture, a Putto Crowning her with Laurels (17th century) --Erasmus Quellinus (Flemish, 1607-1678)