You are asking about the 1967 One Peso coin from Mexico (KM#459). 1967 was the final year that peso coins intended for circulation contained silver. The coins were, however, only 10% silver - while they weighed a fairly hefty 16.00 grams, they contained only about 0.0514 troy ounces of silver.
I have a 1934 "un peso" silver 720 peso, what is it worth?
Yes
There was no Mexican coin denominated "500" anything in issued 1967. There was a copper-nickel (not silver) 500 peso coin issued in 1987 - it is worth less than a US dollar in circulated condition, and a bit mor than US$2.00 in Uncirculated condition.
The 1975 cinco peso coin from the Philippines contains 40% silver and 60% copper.
Mexican peso
A 1 peso coin in the Philippines is composed of 75% copper and 25% nickel.
A 1921 Mexican 1 Peso coin contains 0.3856 troy ounces of silver.
90% silver alloyed with copper
A 1975 un peso coin from Mexico contains 10% silver, which is equivalent to 0.072 grams of silver. The rest of the coin is composed of copper and nickel. This coin is part of a series that was minted during a time when Mexico transitioned to a lower silver content in its currency.
Each 100 Pesos coin contains .6429 oz. of actual Silver weight. They currently sell for around $13 in almost uncirculated condition.
the ten peso coin is composed of aluminum,copper,gold and silver 55%gold .099%copper the arest are millions of elements
The Mexican Un Peso was struck in (10%) .100 silver from 1957-1967 by the Mexico City Mint - the oldest mint in North America. These coins weigh 16 grams and contain 1.6 grams of pure silver. To figure out the dollar amount of silver in each coin, divide the price of silver by 31.1 and multiply by 1.6.