The Flora and Fauna Series (Tagalog: Seryeng Flora at Fauna) was a series of Philippine peso coins minted from 1983 to 1994, in denominations from 1 sentimo to ₱2. The series used the Optima typeface as their main text. The sizes of the coins were reduced in 1991 (except 1 to 10-sentimo coins), and the ₱5 coins were reintroduced in 1991. Production of 50-sentimo and ₱2 coins ceased in 1995.

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Flora and Fauna Series

Piso ng Pilipinas (Filipino)
Demographics
User(s)	Philippines

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This article relies largely or entirely on a single source. (September 2018)

In 1983, eight years after the introduction of the Ang Bagong Lipunan Series, a new series named 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. The 50-sentimo and 2-piso denominations were reintroduced, the latter of which had not been struck as a coin since the Spanish had struck it in gold. The 5-piso denomination was stopped, but production resumed (in a new, smaller size) in the final four years of the Flora and Fauna Series, which featured reduced sizes for all denominations (except the one- to ten-sentimo coins).

The Flora and Fauna series had reported errors on two coins, in 1983. The text on the 10-sentimo coin for the scientific name of the Philippine goby was minted as "Pandaka pygmea" instead of "Pandaka pygmaea", and the 50-sentimo coin showed the misspelled version of the scientific name of the Philippine eagle as "Pithecobhaga jefferyi" instead of "Pithecophaga jefferyi".

In 1985, some of the 1-peso and 25-sentimo coins had a double strike error.^[1] The year 1987 for 25-sentimo and 1-piso coin are the ones to be considered as one of the lowest mintage years in selected denominations of the series, with the mintage of lower than 2 million.

In 1991, the Improved Flora and Fauna Series was introduced. The denominations from 25 sentimo up to 2 peso were smaller, and the 5-peso coin was reintroduced. Some commemorative coins minted in 1991 were minted in the original larger size. The size of the 25- and 50-sentimo coins of the Improved Flora and Fauna Series were same as the size of the twenty-five-satang and fifty-satang coins of Thailand, which the 50-sentimo (IFF series) and 50-satang coins (Thailand) both have reeded edges.

More information Image, Face Value ...

Flora and Fauna Series
Image		Face Value	Technical parameters				Description			Year of
			Diameter	Thickness	Mass	Composition	Edge	Obverse	Reverse
Obverse	Reverse									Introduction	Demonetization
		1¢	15.5 mm	1.67mm	0.70 g	Aluminum and Magnesium 99.2% Al 0.8% Mg	Plain	State title, Lapulapu, year of minting	Voluta imperialis, Value	September 30, 1983	Jan 2, 1998
		5¢	17.0 mm	2.08mm	1.20 g			State title, Melchora Aquino, year of minting	Vanda sanderiana (Waling-waling), Value
		10¢	19.0 mm	2.3mm	1.50 g			State title, Francisco Baltazar, value, year of minting	Pandaka pygmaea (Philippine Goby), Value
		25¢	21.0 mm	1.68mm	3.9 g	Brass (65% copper; 35% zinc)	Reeded	State title, Juan Luna, year of minting	Graphium idaeoides, Value	September 30, 1983	Jan 2, 1998
		50¢	25.0 mm	1.62mm	6 g	Copper-nickel 75% Cu 25% Ni	Plain	State title, Marcelo H. del Pilar, year of minting	Pithecophaga jefferyi (Philippine Eagle), Value	September 30, 1983	Jan 2, 1998
		₱1	29.0 mm	1.9mm	9.5 g		Reeded	State title, José Rizal, year of minting	Anoa mindorensis (Tamaraw), Value
		₱2	31 mm (across corners, decagon) 29.8 mm (across flats, decagon)	2mm	12 g		Plain	State title, Andrés Bonifacio, year of minting	Cocos nucifera (Coconut Tree), Value
Improved Flora and Fauna Series (1991–1994)
		25¢	16.0 mm	1.4mm	2.24 g	Brass	Plain	State title, Juan Luna, year of minting	Graphium idaeoides, Value	Dec 1992	Jan 2, 1998
		50¢	18 mm	1.5mm	3 g		Reeded	State title, Marcelo H. del Pilar, year of minting	Pithecophaga jefferyi (Philippine Eagle), Value
		₱1	21.6 mm	1.7mm	4 g	Stainless steel	Plain	State title, José Rizal, year of minting	Anoa mindorensis (Tamaraw), Value	Dec 1992	Jan 2, 1998
		₱2	23.5 mm	1.8 mm	5 g		Reeded	State title, Andrés Bonifacio, year of minting	Cocos nucifera (Coconut Tree), Value
		₱5	25.5 mm	2.6mm	9.45 g	Nickel-brass	Reeded	State title, Emilio Aguinaldo, year of minting	Pterocarpus indicus (Narra), Value	April 1, 1991	Jan 2, 1998

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• Philippine two peso coin
• Philippine peso
• Coins of the Philippine peso