2pp., an irregular oblong (5¼ x 7¾ in. approx.), one side with neat mathematical calculations and five lines of verse; verso with numerical calculations. Losses at margins affecting several letters in bottom-most line, paper evenly age-toned. " /> LINCOLN, Abraham (1809-1865), <I>President</I>. Autograph manuscript leaf with integral signature ("Abraham Lincoln") from Lincoln's earliest surviving autograph manuscript, his home-made "Sum-Book," used as an adolescent schoolboy. [Pigeon Creek, Spencer County, Indiana, 1824-1826]. <I>2pp., an irregular oblong (5¼ x 7¾ in. approx.), one side with neat mathematical calculations and five lines of verse; verso with numerical calculations. Losses at margins affecting several letters in bottom-most line, paper evenly age-toned.</I> | Christie's