The material of the new ¥0.1 coin is stainless steel, rather than duralumin (an aluminum alloy). The second edition includes the following coin: The second edition includes the following banknotes: Third (2015, 2019, 2020) edition A new 2015 edition was introduced on November 12, 2015, for the ¥100 banknote. The new edition includes: Date of printing (2015) Raised ink printing on the right side of the observe replaced with raised printing on the Great Hall of the People (reverse) Metallic strip replaced by a visible and colour-shifting security thread, placed on the reverse side of the note Restoration of the second (vertical) serial number Colour-shifting currency number at bottom-right of the obverse moved to the larger currency number at center of the obverse side of the note The new 2019 edition of the fifth series of the renminbi was introduced on April 29, 2019, and was issued into general circulation on August 30, 2019, with the following banknotes and coins: banknotes: ¥1, ¥10, ¥20, ¥50 coins: ¥0.1, ¥0.5, ¥1 A new 2020 edition was also introduced on July 8, 2020, for the ¥5 banknote, and was issued into general circulation on November 5, 2020. The new design is similar to the banknotes of the 1999 and 2005 edition, with some changes made to the printing patterns of both bills and coins. Officials at the People's Bank of China also told the press that the latest issuance does not include a new 5-yuan note, which is being tested for new printing technologies in a bid to reduce counterfeiting of the Chinese currency. The new ¥1 coin has been narrowed into 22.25 mm, 2.75 mm less than before. Also, the new ¥0.5 coin contains eight isometric serrations with the coin's color becoming nickel instead of golden yellow inside, and the inner edge of the coin is changed into a polygon from circle. The third edition includes the following coins: The third edition includes the following banknotes: References External links Pictures of the 4th and 5th series at ChinaToday.com Coins of China Banknotes of China Renminbi Currencies introduced in 1999 Chinese numismatics