Vintage fountain pen signature, "Albert Einstein, 1944,” on an off-white 3.5 x 2.25 slip. In fine condition, with toning from prior display. Einstein's groundbreaking theories reshaped our understanding of the universe, laying the foundation for modern physics. His autograph is extremely desirable in any form, and this is an especially desirable example—he signs in full, and it dates to World War II, just one year prior to the use of the atomic bomb.
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