market in the Miyagi Prefecture, these tobaccos also did not lead to stability of purchasing and were discontinued in February 2005. Appearance of the package was changed widely in 2005 because a new text warning was put on it. Habitual smokers of Golden Bat criticized it as destroying history; however, the design has changed afterwards, with silver paper and a tag. Also the roll size of the cigarettes was changed into the same size as the general ones, and both the roll and flavor became thicker than before. It used to have 18 mg of tar and 1.1 mg of nicotine, but during the 100th anniversary of the brand (which was in June 2016) the content has been lowered to 15 mg of tar and 1.0 mg of nicotine. Controversy Opium in Chinese sold Golden Bat cigarettes As part of the plans for the exploitation of China, during the 1930s and 1940s the subsidiary tobacco industry of Mitsui had started production of special "Golden Bat" cigarettes using the then-popular in the Far East trademark. Their circulation was prohibited in Japan and was used only for export. Local Japanese secret service under the controversial Imperial Japanese Army general Kenji Doihara, had control of their distribution in China and Manchuria, where the production was exported. In their mouthpieces, there were hidden small doses of opium or heroin and by this, millions of unsuspecting consumers were addicted into these narcotics, while creating huge profits. Mastermind of the plan, Doihara was later prosecuted and convicted for war crimes before the International Military Tribunal for the Far East sentenced him to death, but no actions ever took place against the company which profited from their production. According to a testimony presented at the Tokyo war crimes trials in 1948, the revenue from the narcotization policy in China, including Manchukuo, was estimated to be 20 to 30 million yen per year, while another authority stated that the annual revenue was estimated by the Japanese military at 300 million dollars a year. In popular culture In habitual smokers of Golden Bat, there were some famous writers, and the name of "Bat" appears in their literary works. Well-known story writers Ryūnosuke Akutagawa, Osamu Dazai and Chūya Nakahara loved to smoke Golden Bat. Hyakken Uchida liked high-quality cigarettes, such as "Asahi" and "Peace", but he mentioned "Bat" as the cigarette he desired to smoke sometimes. The naturalist, Minakata Kumagusu