Samuel Coale analyzes much of the changing imagery of the scarlet letter in his article, “The Scarlet Letter as Icon”, for American Transcendental Quarterly. In the first lines of his article, Coale writes:

After all is said and done, examined, explored, analyzed, and allegorized in The Scarlet Letter; the letter itself remains undaunted and intact at the end of the romance: “On a Field, Sable, The Letter A, Gules.” It seems to outlive all the controversy and uncertainty concerning it and remains unto itself a kind of icon: intact, red, “one ever-glowing point of light gloomier than the shadow…” (Coale 1

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