Pencil lead on paper, signed and dated lower right, titled and dated on the back on a label
Note on the back: "Equals in parallel planes. The desire for development."
17 x 17.5
We use cookies to provide you with a better browsing experience, perform site traffic analysis, and deliver content and advertisements most relevant to your interests.
Cookie management:
By allowing these cookies, you agree to the deposit, reading and use of tracking technologies necessary for their proper functioning. Read more about our privacy policy.
