Courtesy of the Library at the Katz Center for Advanced Judaic Studies, Kislak Center for Special Collections, Rare Books and Manuscripts, University of Pennsylvania

The scroll of the Biblical "book" of Esther is read aloud during Purim, which celebrates the deliverance of the Jews from Persia of the evil plot of Haman to kill them all.
Curiously, the name of God does not appear in the text of this Biblical episode.
To emphasize God's presence during this great historical miracle, scribes sometimes, as here, highlighted the four consonantal Hebrew letters that spell out God's name (the tetragrammaton).

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