Ahn Jung-geun's prison calligraphy (yumuk)

Ahn Jung-geun was imprisoned after shooting Itō Hirobumi dead in Harbin on 26 October 1909; he was sentenced to death by the district court of the Kwantung Government-General in Lüshun on 14 February 1910 and executed in Lüshun prison on 26 March. In prison he wrote many pieces of calligraphy, known in Korea as yumuk (遺墨). Most end with an inscription reading "written by Ahn Jung-geun, a man of Great Korea, in Lüshun prison, in the second (or third) month of the year gyeongsul", with his handprint below, which is how the time and place of writing are known. Some seventy pieces survive, and thirty-one of them are designated Treasures. Manguk gongbeop buryeo daepo (萬國公法不如大砲), shown at the National Palace Museum of Korea, was returned from Japan; its eight characters mean that international law is no match for cannon. It is written mainly in running script mixed with regular and cursive script, and an ink inscription on the back records how the warden of Lüshun prison gave it to its first owner and how it was handed down afterwards.

Find the signature at the end, read the month and the words "in Lüshun prison" (旅順獄中), then look at the handprint beneath it.