Annex 4 Demonetized Coins Series •English Series (1958 – 1966) •Pilipino Series (1969 - 1974) •Ang Bagong Lipunan (1975 - 1982) •Flaura and Fauna Series (1983 – 1991) •Improved Flora and Fauna Series (1992 - 1994) English Series (1958 – 1966) In 1958, the centavo notes were discontinued and a new, entirely base metal coinage was introduced, consisting of bronze 1 centavo, brass 5 centavos and nickel-brass 10, 25 and 50 centavos. The half-peso ceased to exist; the 25-centavo coin replaced the 20- centavo note; 50-, 10- and 5-centavo denominations were maintained. This series was considered demonetized after August 31, 1979, except for the 10-centavo denomination that remained in circulation until 1998. 50-centavos 25-centavos 10-centavos 5-centavos 1-centavo 50-centavos Reverse Obverse Seal of the Republic of the Philippines, "Central Bank of the Lady Liberty striking an anvil with a hammer depicted against Philippines" Mayon Volcano background; "Fifty Centavos", year mark 25-centavos Reverse Obverse Seal of the Republic of the Philippines, "Central Bank of the Lady Liberty striking an anvil with a hammer depicted against Philippines" Mayon Volcano background, "Twenty Five Centavos", year mark 10-centavos Reverse Obverse Seal of the Republic of the Philippines, "Central Bank of the Lady Liberty striking an anvil with a hammer depicted against Philippines" Mayon Volcano background, “Ten Centavos", year mark 5-centavos Reverse Obverse Seal of the Republic of the Philippines, "Central Bank of the Figure of a man seated beside an anvil and holding a hammer with Mt. Philippines" Mayon Volcano in the background, "Five Centavos", year mark 1-centavo Reverse Obverse Seal of the Republic of the Philippines, "Central Bank of the Figure of a man seated beside an anvil and holding a hammer with Mt. Philippines" Mayon Volcano in the background, "Five Centavos", year mark Pilipino Series (1967 – 1974) In 1967, the coinage was altered to reflect the use of Filipino names for the currency units. The “Pilipino” coins bore portraits/profiles of Filipino heroes with legends inscribed in Pilipino, the national language. New one-piso coins were put in circulation to replace the one-peso notes. The coins were demonetized after January 2, 1998. 1-piso 50-sentimos 25-sentimos 10-sentimos 5-sentimos 1-sentimo 1-piso Reverse Obverse Seal of the Republic of the Philippines, Jose Rizal, "Piso", "1" "Bangko Sentral", year mark 50-sentimos Reverse Obverse Seal of the Republic of the Philippines, Marcelo H. del Pilar, "Limampung Sentimos", "50" "Republika ng Pilipinas", year mark 25-sentimos Reverse Obverse Seal of the Republic of the Philippines, Juan Luna, "Dalawampu't Limang Sentimos" "Republika ng Pilipinas", year mark 10-sentimos Reverse Obverse Seal of the Republic of the Philippines, Francisco Baltasar, "Sampung Sentimos" "Republika ng Pilipinas", year mark 5-sentimos Reverse Obverse Seal of the Republic of the Philippines, Melchora Aquino, "Limang Sentimos" "Republika ng Pilipinas", year mark 1-sentimo Reverse Obverse Seal of the Republic of the Philippines, Lapulapu, "Isang Sentimo" "Republika ng Pilipinas", year mark Ang Bagong Lipunan (1975 - 1982) In 1975, the "Ang Bagong Lipunan" series was introduced with different designs, specifications and denominational mix from the Pilipino series. Aluminum replaced bronze and cupro-nickel replaced nickel-brass coins. The 5-piso coin was introduced while the 50-sentimo coin was deleted in the series. The entire series of ABL coins were also demonetized on January 2, 1998. 5-piso 1-piso 25-sentimos 10-sentimos 5-sentimos 1-sentimo 5-piso Reverse Obverse Seal of the Republic of the Philippines, "Pangulong Ferdinand Marcos", "Setyembre 21, "Republika ng Pilipinas", "5 Piso" 1972", "Ang Bagong Lipunan" 1-piso Reverse Obverse Seal of the Republic of the Philippines, "Ang Jose Rizal, "Republika ng Pilipinas", "1 Piso" Bagong Lipunan", "Bangko Sentral ng Pilipinas", year mark 25-sentimos Reverse Obverse "ANG BAGONG LIPUNAN," Seal of Central Juan Luna, “Republika ng Pilipinas” , “25 Bank of the Philippines, year of minting Sentimos” 10-sentimos Reverse Obverse "ANG BAGONG LIPUNAN," Seal of Central Francisco Baltazar, “Republika ng Pilipinas”, “10 Bank of the Philippines, year of minting Sentimos” 5-sentimos Reverse Obverse “ANG BAGONG LIPUNAN”, Seal of Central Melchora Aquino, "Republika ng Pilipinas", 5 Bank of the Philippines, year mark Sentimos 1-sentimo Reverse Obverse ANG BAGONG LIPUNAN, Seal of Central Lapulapu, "Republika ng Pilipinas", "1 Sentimo" Bank of the Philippines, year mark Flora and Fauna Series (1983 – 1991) The Flora and Fauna series was introduced in 1983 which included 2-piso coins. The coins featured portraits of renowned Filipino patriots and heroes on the obverse and rare species of fauna, flora and marine life indigenous to the Philippines were represented on the reverse. 2-piso 1-piso 50-sentimo 25-sentimo 10-sentimo 5-sentimo 1-sentimo 2-piso Reverse Obverse Cocos nucifera, 2 Piso Andres Bonifacio, "Republika ng Pilipinas", year mark 1 -piso Reverse Obverse Anoa mindorensis (tamaraw), 1 Piso Jose Rizal, "Republika ng Pilipinas", year mark 50-sentimos Reverse Obverse Pithecophaga jefferyi (Philippine Marcelo H. del Pilar, "Republika ng Pilipinas", year Eagle/Monkey-eating Eagle), 50 Sentimo mark 25-sentimos Reverse Obverse Graphium idaeoides, 25 Sentimo Juan Luna, "Republika ng Pilipinas", year mark 10-sentimos Reverse Obverse Pandaka pygmaea, 10 Sentimo Francisco Baltasar, "Republika ng Pilipinas", year mark 5-sentimos Reverse Obverse Vanda sanderiana (Waling waling, a rare and Melchora Aquino, "Republika ng Pilipinas", year highly-prized orchid endemic to the island of mark Mindanao) 1-sentimo Reverse Obverse Voluta imperialis, 1 Sentimo Lapu lapu, "Republika ng Pilipinas", year mark Improved Flora and Fauna Series (1991 – 1994) The sizes of the coins were reduced in 1991 thus the Flora Fauna Series was renamed Improved Flora and Fauna. Along with this improvement is the introduction of 5-piso coin to replace the 5-piso banknotes and save on the cost of printing considering that 5-piso notes worn out easily. Eventually in 1994, the production of 50-sentimo and 2-piso coins were stopped. 5-piso 2-piso 1-piso 50-sentimo 25-sentimo 5-piso Reverse Obverse Pterocarpus indicus Emilio Aguinaldo and year mark 2-piso Reverse Obverse Cocos nucifera Andres Bonifacio, "Republika ng Pilipinas", year mark 1-piso Reverse Obverse Anoa mindorensis (tamaraw) Jose Rizal, "Republika ng Pilipinas", year mark 50-sentimo Reverse Obverse Pithecophaga jefferyi (Philippine Marcelo H. del Pilar, "Republika ng Pilipinas", year Eagle/Monkey-eating Eagle) mark 25-sentimos Reverse Obverse Graphium idaeoides, 25 Sentimo Juan Luna, "Republika ng Pilipinas", year mark .