Vintage circa 1983 felt tip signature, "Stephen Hawking,” on an off-white 8 x 5.75 sheet. In fine condition. Encapsulated in a PSA/DNA authentication holder. Accompanied by a transmittal letter signed by his wife, Jane Hawking, dated October 15, 1983, in part: "Thank you for your courteous letter of 29 September requesting my husband's autograph. After many slow and painful attempts my husband has managed to produce a signature for you. I enclose it herewith." Also includes a color 10 x 8 fine art print of Hawking in 1983, signed by photographer Douglas Kirkland, with a certificate of authenticity from Kirkland.
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