While age can certainly play a role in determining a coin's value, it's not the only factor. Rarity, condition, historical significance, and demand all contribute to a coin's worth. Some newer coins might actually be more valuable due to their scarcity or collector interest.
While certain coins may increase in value over time, there's no guarantee that every coin will appreciate. Market fluctuations, changes in collector preferences, and other factors can affect a coin's value. It's essential to research and understand the market before investing in coins.
Cleaning coins, especially using abrasive methods, can actually decrease their value significantly. Collectors generally prefer coins in their natural state or those that have been professionally conserved. Cleaning can remove the natural patina and damage the surface of the coin, reducing its appeal to collectors.
While rare coins can command high prices, not all of them are prohibitively expensive. Some rare coins may be relatively affordable, depending on factors such as condition and demand. Additionally, there are many coins with lower mintages that are not necessarily considered rare but still hold value to collectors.
While coins certified by reputable grading services are generally considered authentic, there have been cases of counterfeit coins being encapsulated and sold as genuine. It's essential to purchase certified coins from reputable dealers and verify their authenticity through independent research when possible.
Coin grading, the process of evaluating a coin's condition, can vary among different grading services and even among individual graders within the same service. While grading standards exist, there can still be subjective elements involved.
While coin collecting can be a rewarding hobby, it doesn't always result in significant financial gain. Like any investment, there are risks involved, and not every coin will appreciate in value. Collecting should primarily be about enjoyment and appreciation for the history and artistry of coins rather than solely about financial gain.