1 page, 4to, stationery embossed with Einstein's Princeton address (112 Mercer Street). In very fine condition." /> EINSTEIN, Albert (1879-1955). Typed letter signed ("A. Einstein") to True Walter Blake, Princeton, N.J., 18 May 1954. <I>1 page, 4to, stationery embossed with Einstein's Princeton address (112 Mercer Street).</I> In very fine condition. | Christie's