The value of a 1968 Estados Unidos Mexicanos veinticinco centavos (twenty-five centavo) coin with the markings of an "M" with a dot over it and depicting an eagle battling a snake can vary depending on several factors, including condition, scarcity, and demand among collectors. Here are some general points to consider:
1. Coin Specifications:
- The 1968 twenty-five centavo coin is a type of Mexican peso coin minted in 1968.
- The obverse (front) side of the coin features the Mexican coat of arms, with an eagle battling a snake atop a cactus.
- The reverse (back) side of the coin states the denomination ("Veinticinco Centavos"), the country's name ("Estados Unidos Mexicanos"), and the year of mintage ("1968").
- The coin is composed of cupronickel alloy and measures approximately 23 millimeters in diameter.
2. M Over Dot Mark:
- The "M" with a dot over it is a mint mark that indicates the coin was minted at the San Luis Potosi Mint in Mexico. This mint mark is found on certain Mexican coins minted in that facility.
3. Condition:
- The condition of the coin plays a crucial role in determining its value. Look for coins that are well-preserved, free from significant wear or damage, and have a pleasing overall appearance. Coins in higher grades (e.g., Mint State or Near Mint) are usually more valuable.
4. Rarity and Demand:
- The availability and scarcity of the 1968 veinticinco centavo coin with the "M" mint mark can affect its value. Certain issues or variations may be more limited in quantity, making them more sought-after by collectors and potentially increasing their worth.
5. Numismatic Value:
- Due to its potential historical and numismatic significance, the 1968 twenty-five centavo coin with the "M" over dot mark and the eagle battling snake design may hold interest for coin collectors and enthusiasts.
6. Market Value:
- The market value of the coin can fluctuate based on supply and demand and can vary between different coin dealers, collectors, and online marketplaces. To obtain an accurate estimate of its current market value, it's advisable to consult reputable coin dealers, reference coin price guides, or check recent auction results for similar coins.
In general, the value of a 1968 veinticinco centavos with the "M" mint mark and the eagle versus snake design can range from a few dollars to tens or even hundreds of dollars, depending on its condition and rarity. It's always recommended to seek professional appraisal or consult with experienced numismatists to determine the specific value of your coin accurately.