Albert Speer Pencil Sketch of Adolf Hitler with Signature to lower left, depicting a triple portrait of Hitler, inspired after his speech at the Reichsparteitag. The sketch was authenticated in 1977 by Albert Speer through direct communication with the previous owner, Mr. Buchwald of Buenos Aires, who transferred to its current owner in 1979 with occasion of a research on the German pocket battleship Graf Spee. A notarized copy of Albert Speer’s dated and signed letter on his personal letterhead is attached to the reverse.