The listing, 20 pesos mexican coin has ended.
It's a coin of 20 pesos from mexico out of circulation, for collection the year is 2000
composition
Bimetallic coin consists of two alloys, one for middle and one for peripheral ring, as follows:
1. Central part of the coin: cupronickel alloy.
Content: 75% (seventy-five percent) of copper and 25% (twenty percent) nickel.
Weight: 7.355 grams.
2. Perimeter ring of the coin: aluminum bronze alloy.
Content: 92% (ninety-two percent) of copper; 6% (six percent) aluminum and 2% (two percent) nickel.
Weight: 8,590 grams.