gentileschi a - @Self-Portrait as the Allegory of Painting. 1638. Oil on canvas. 96.5 cm x 73.7 cm. Windsor Castle, Royal Collection, Windsor, UK gentileschi a - @Self-Portrait as the Allegory of Painting. 1638. Oil on canvas. 96.5 cm x 73.7 cm. Windsor Castle, Royal Collection, Windsor, UK