1 Peso


Billon (.100 silver) (Copper .700, Nickel .100, Zinc .100)	16 g	34.5 mm

Description

Issuer	Mexico
Period	United Mexican States/Mexican Republic (1823-date)
Type	Standard circulation coin
Years	1957-1967
Value	1 Peso (1&nbspMXP)
Currency	Peso (1863-1992)
Composition	Billon (.100 silver) (Copper .700, Nickel .100, Zinc .100)
Weight	16 g
Diameter	34.5 mm
Thickness	2.3 mm
Shape	Round
Technique	Milled
Orientation	Coin alignment ↑↓
Demonetized	Yes
Updated	2024-10-06

References

Numista	N#3550
Rarity index	4%

Reverse

Jose Morelos portrait facing right

NOTE: Mintmark Mo to left of head

Script: Latin

Lettering:
O
M

Edge

Plain with lettering

Script: Latin

Lettering: INDEPENDENCIA Y LIBERTAD

Translation: Independence and Liberty

Comment

With a composition of Silver (.100) and Brass (.900), this would be called a brass coin if the 1.6 grams of silver it contains didn't outweight the remaining 14.4 grams of brass in value.
The exact composition is .700 Copper, .100 Nickel, .100 Zinc and .100 Silver.

Interesting fact

One interesting fact about the 1 Peso 1957-1967 coin from Mexico is that it was made of a unique alloy called "Billon," which consists of a combination of copper, nickel, zinc, and silver. The exact composition of Billon is 70% copper, 10% nickel, 10% zinc, and 10% silver. This blend of metals gives the coin a distinctive color and durability.

Price

Date	Mintage	VG	F	VF	XF	AU	UNC
1957 Mo	28273000	-	-	-	-	-	-
1958 Mo	41899000	-	-	-	-	-	-
1959 Mo	27369000	-	-	-	-	-	-
1960 Mo	26259000	-	-	-	-	-	-
1961 Mo	52601000	-	-	-	-	-	-
1962 Mo	61094000	-	-	-	-	-	-
1963 Mo	26394000	-	-	-	-	-	-
1964 Mo	15615000	-	-	-	-	-	-
1965 Mo	5004000	-	-	-	-	-	-
1966 Mo	30998000	-	-	-	-	-	-
1967 Mo	9308000	-	-	-	-	-	-