In [a comment on a *Man at Arms: Reforged* video](https://youtu.be/BQxjpm7VQko?google_comment_id=z12pirjrspuncn4ec22wuhqpzue5j53g404) I’ve learned that

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> [Roger Zelazny] did draw [Corwin’s sword Grayswandir] for a fan that lives here in Maryland. He drew it as a saber with a ships sail guard with the pattern overlayed on it. not highly detailed but I was shown the drawing and letter in the mid 1990's. I wish I had a copy of it!
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Are there any such pictures online of what Zelazny intended the Pattern to look like? Either a drawing by Zelazny himself (as in the letter described above) or fan-art plausibly claiming to follow such a drawing by the series’s author.