Simone Martini was the leading painter in Siena after Duccio. The Christ Child, in a red robe, sits in his mother's arms against a gold ground worked with punched and tooled decoration.
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Madonna and Child (Simone Martini)
Simone Martini · The Metropolitan Museum of Art
Simone Martini, ca. 1326. The Metropolitan Museum of Art, Open Access (public domain).