These are common items often found in a coin dealers miscellaneous foreign bin for about 25 cents. The conversion rate on the 1989 1000 is about $71 US dollars.
centavos 1954 coin
Many of the coins are worth a price close to $5 each. The price will vary depending upon the condition of the coins.
Please look at the coin again to find the name of the country. All modern Mexican coins prominently show the country's name (Estadios Unidos Mexicanos, as you correctly surmised)
These coins are worth a price ranging close to $10 each. The amount of money that you can expect from the coins will vary depending upon their condition.
I have a estados unidos mexicano 100.00 1987 I would like to know how much it is, I always saved my mothers old coins. Now that I have a computer I can look up things.
Many of the coins are valued at a price close to $20 each. The exact amount will depend upon its condition
Most Mexican currency is made of nickel and copper alloys, but there are gold and silver coins called Centenarios and Onzas Libertad, respectively.
Many of the coins are valued at a price close to $8 each. The price will vary depending upon the exact coin and its condition.
Many of the coins are valued in price close to $20 each. The amount for each coin will vary depending upon their wear and tear.
Better re-check the date on that coin. "Estados Unidos Mexicanos" did not appear on Mexican 20 Centavos coins until 1905. Before that, they said "Republica Mexicana". Most likely, you have a more current date on your coin. If your coin is silver, it likely has a value of a dollar or two. If it is one of the more recent bronze coins, you will find them in dealers' misc. foreign bins for 25 cents or less.
Can usually find these in dealers' "25 cents or 5 for a dollar" boxes.
A 2000 Mexican 10 Pesos retails for $6.75US if like new as a collectible. In exchange it would be worth $0.79US if you could find a place that changes foreign coins. I hope that helps.