 The sizes of the coins were reduced, and ₱5 coins were reintroduced, in 1991.Production of 50-sentimo and ₱2 coins ceased in 1995.In 1983, eight years after the introduction of the Ang Bagong Lipunan Series, a new series called the "Flora and Fauna Series" was introduced, in which the coins, in addition to featuring various Philippine national heroes as before, also began featuring plant and animal life forms native to the Philippines.