1 Peso

Features

Country	Mexico (Estados Unidos)
Type	Standard circulation coin
Years	1970-1983
Value	1 Peso (1 MXP)
Currency	Peso (1905-1992)
Composition	Copper-nickel
Weight	9.0 g
Diameter	28.98 mm
Thickness	1.77 mm
Shape	Round
Orientation	Coin alignment ↑↓
Demonetized	11-15-1995
References	KM# 460, Standard Catalog of World Coins by George S. Cuhaj (Krause Publications) Schön# 70 Weltmünzkatalog by Gerhard Schön, Günter Schön (Battenberg Gietl Verlag)

Obverse

National Arms (Eagle on cactus facing left with snake in beak above wreath), with the inscription forming a semicircle above it

Lettering: ESTADOS UNIDOS MEXICANOS

Translation: United Mexican States

Reverse

Value with portrait of José Maria Teclo Morelos y Pavón to the left

Lettering:
UN PESO
Mo
1981

Edge

Milled

Comments

This series has several variants (narrow/wide dates, thick/thin dates, open/closed 8s), some of which are described below.

1970

1975

1977
Thin date variety has wider space between numbers and and coin's rim, space between sideburns and collar, lower mint mark with larger space between "M" and "o," different hair waves on back, knot on neckerchief, and ornamentation in neck with "heart-shape" trims (opposite to the "M-shaped" ones in the normal issue).

1978
Open "8" variety has no knot on neckerchief and a higher mint mark.

1979
Thick date variety has less detail on hair at back and on the neck ornaments, wrinkles on neckerchief are fused together in a single one near half way to the back, while on the thin date they stay as two until the very tip.

1980

1981

1983

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Year	Mintage	VG	F	VF	XF	AU	UNC
1970 Mo	102,715,000		0.28	0.34	0.26		0.80	narrow date
1970 Mo				0.71				wide date
1971 Mo	426,222,000	0.15	0.18	0.45	0.56
1972 Mo	120,000,000		0.25	0.46	0.49		0.53
1974 Mo	63,700,000			0.29	0.90
1975 Mo				0.34	0.54			short wide date
1975 Mo	205,979,000			0.56	0.47			tall narrow date
1976 Mo	94,489,000			0.34	0.35
1977 Mo	94,364,000			0.50				thick date
1977 Mo								thin date
1978 Mo	208,300,000		0.83	0.34	0.42	3.91		closed 8
1978 Mo	55,140,000			0.46	1.75			open 8
1979 Mo								thick date
1979 Mo	117,884,000			0.27				thin date
1980 Mo								closed 8, open 9
1980 Mo	318,800,000			0.39	0.40			closed 8, wide date
1980 Mo	23,865,000							open 8
1981 Mo								closed 8, closed 9
1981 Mo	413,349,000			0.46	0.78			closed 8, narrow date
1981 Mo	58,616,000							open 8, wide date
1982 Mo	235,000,000			0.29	0.47			closed 8
1982 Mo								open 8 (at the base)
1983 Mo								narrow date
1983 Mo								open 8
1983 Mo	1,051,000							Proof
1983 Mo								Proof, open 8 (at the base)
1983 Mo	100,000,000							wide date

Values in the table above are expressed in USD. They are based on evaluations by Numista users and sales realized on Internet platforms. They serve as a measure, but they are not intended to be relied upon for buying, selling or exchanging coins. Numista does not buy or sell coins.

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This index is based on the data of Numista members collections. It ranges from 0 to 100, 0 meaning a very common coin and 100 meaning a rare coin among Numista members.

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