Withdrawn: 1970 - 1985
Symbol: $ Ley
Rate to: 1 $Ley = 100 m$n
100 Centavos = 1 $Ley

In 1970, coins were introduced in denominations of 1, 5, 10, 20 and 50 centavos. As inflation eroded the currency's value, higher denominations were introduced: 1 peso in 1974, 5 and 10 pesos in 1976, and 50 and 100 pesos in 1978.

• Issues Peso Ley 18188
• World-wide Championship of Soccer Argentina 78

	1 Centavo Mass: 0.6 gr Diameter: 15.5 mm Composition: Aluminium Edge: Smooth Withdrawn: Oct 1979
	5 Centavos Mass: 0.89 gr Diameter: 16 mm Composition: Aluminium Edge: Smooth Withdrawn: Oct 1979
	10 Centavos Mass: 2 gr Diameter: 16.5 mm Composition: Brass and Aluminium Edge: Reeds Withdrawn: Oct 1979
	20 Centavos Mass: 2.94 gr Diameter: 18.5 mm Composition: Brass and Aluminium Edge: Reeds Withdrawn: Oct 1979
	50 Centavos Mass: 4.11 gr Diameter: 20.5 mm Composition: Brass and Aluminium Edge: Reeds Withdrawn: Oct 1979
	1 peso Mass: 5 gr Diameter: 22 mm Composition: Brass and Aluminium Edge: Reeds Withdrawn: Jan 1984
	5 Pesos Mass: 5.7 gr Diameter: 24 mm Composition: Brass and Aluminium Edge: Reeds Withdrawn: Jan 1984
	5 Pesos Mass: 5.7 gr Diameter: 24 mm Composition: Brass and Aluminium Edge: Reeds Commemorate: Almirante Guillermo Brown Bicentennial Year: 1977 Withdrawn: Jan 1984
	10 Pesos Mass: 6.5 gr Diameter: 25 mm Composition: Brass and Aluminium Edge: Reeds Withdrawn: Jan 1984
	10 Pesos Mass: 6.5 gr Diameter: 25 mm Composition: Brass and Aluminium Edge: Reeds Commemorate: Almirante Guillermo Brown Bicentennial Year: 1977 Withdrawn: Jan 1984
	50 Pesos Mass: 7.5 gr Diameter: 26 mm Composition: Brass and Aluminium Edge: Reeds Withdrawn: Jan 1984
	50 Pesos Mass: 7.5 gr Diameter: 26 mm Composition: Brass and Aluminium Edge: Reeds Commemorate: José de San Martín Bicentennial Year: 1978 Withdrawn: Jan 1984
	50 Pesos Mass: 7.5 gr Diameter: 26 mm Composition: Brass and Aluminium Edge: Reeds Commemorate: Conquest of the Desert Centennial Year: 1979 Withdrawn: Jan 1984
	100 Pesos Mass: 8 gr Diameter: 27 mm Composition: Brass and Aluminium Edge: Reeds Withdrawn: Jan 1984
	100 Pesos Mass: 8 gr Diameter: 27 mm Composition: Brass and Aluminium Edge: Reeds Commemorate: José de San Martín Bicentennial Year: 1978 Withdrawn: Jan 1984
	100 Pesos Mass: 8 gr Diameter: 27 mm Composition: Brass and Aluminium Edge: Reeds Commemorate: Conquest of the Desert Centennial Year: 1979 Withdrawn: Jan 1984

	20 Pesos Mass: 5 gr Diameter: 22 mm Composition: 92% Brass, 6% Aluminium and 2% Nickel Edge: Dodecagonal Smooth Year: 1977/1978 Withdrawn: Jan 1984
	50 Pesos Mass: 5.75 gr Diameter: 23.5 mm Composition: Brass and Aluminium Edge: Dodecagonal Smooth Year: 1977/1978 Withdrawn: Jan 1984
	100 Pesos Mass: 6.5 gr Diameter: 25 mm Composition: 92% Brass, 6% Aluminium and 2% Nickel Edge: Dodecagonal Smooth Year: 1977/1978 Withdrawn: Jan 1984
	1,000 Pesos Mass: 10 gr Diameter: 30 mm Composition: 925 Silver Year: 1977/1978
	2,000 Pesos Mass: 15 gr Diameter: 33 mm Composition: 925 Silver Year: 1977/1978
	3,000 Pesos Mass: 25 gr Diameter: 38 mm Composition: 925 Silver Year: 1977/1978