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Guido da Siena Annunciation Google Art Project. Museum purchase Caroline Mather Fund Tempera on wood panel special urlid uQEuHYuKItdw other versions thumb center PDold DEFAULTSORT Guido da Siena Annunciation Dossale di Badia Ardenga Guido da Siena Google Art Project works by Guido da Siena thcentury paintings of Annunciation